Historical Observations Datasets

Name Source Data type Spatial domain Spatial resolution Temporal coverage Time step Data format Details
CIRES; NOAA; DOE Global atmospheric reanalysis Global T254 (approximately 75 km at the equator) 20CRv3.SI is available for years 1836-1980 and 20CRv3.MO is available for years 1981-2015 3h; Daily; Monthly NetCDF details
CIRES; NOAA; DOE Global atmospheric reanalysis Global T254 (approximately 75 km at the equator) 20CRv3.SI is available for years 1836-1980 and 20CRv3.MO is available for years 1981-2015 3h; Daily; Monthly NetCDF details
CIRES; NOAA; DOE Global atmospheric reanalysis Global T254 (approximately 75 km at the equator) 20CRv3.SI is available for years 1836-1980 and 20CRv3.MO is available for years 1981-2015 3h; Daily; Monthly NetCDF details
NOAA-CIRES-DOE Global atmospheric reanalysis Global T254 (approximately 75 km at the equator) 20CRv3.SI is available for years 1836-1980 and 20CRv3.MO is available for years 1981-2015 3h; Daily; Monthly NetCDF details
CIRES; NOAA; DOE Global atmospheric reanalysis Global T254 (approximately 75 km at the equator) 20CRv3.SI is available for years 1836-1980 and 20CRv3.MO is available for years 1981-2015 3h; Daily; Monthly NetCDF details
CIRES; NOAA; DOE Global atmospheric reanalysis Global T254 (approximately 75 km at the equator) 20CRv3.SI is available for years 1836-1980 and 20CRv3.MO is available for years 1981-2015 3h; Daily; Monthly NetCDF details
CRD/ECCC Station data Canada Point data Variable (1950 to present) Daily; Monthly; Seasonal; Annual ASCII; CSV; GeoJSON details
CRD/ECCC Station data Canada Point data Variable (1950 to 2014) Monthly ASCII; CSV;GeoJSON details
CRD/ECCC Station data Canada Point data Variable (1950 to present) Daily; Monthly; Seasonal; Annual ASCII; CSV; GeoJSON details
AMSR-E Historical Algorithm
NSIDC Satellite data The Northern Hemisphere 25 km EASE (equal area) 2002-06-19  to 2010-08-27 Daily; Weekly; Monthly HDF details
AMSR-E Operational Algorithm
NSIDC Satellite data The Northern Hemisphere 25 km EASE (equal area) 2010-08-27 to 2011-10-3 Daily; Weekly; Monthly HDF details
CFS/NRCan Gridded observations Canada and North America (10 km x 10 km) and (2 km x 2 km) 1950 - 2017 Daily; Pentad; Monthly; Climatological means ASCII; NetCDF details
CFS/NRCan Gridded observations Canada and North America (10 km x 10 km) and (2 km x 2 km) 1950-2017 Daily; Pentad; Monthly; Climatological means ASCII; NetCDF details
ANUSPLIN
CFS/NRCan Gridded observations Canada 10 km x 10 km 1955-2017 Monthly ASCII; NetCDF details
Byrd Polar Research Center/The Ohio State University; UCAR/NCAR Regional reanalysis Arctic 15 km x 15 km 2000-2016 3h; Monthly NetCDF details
Byrd Polar Research Center/The Ohio State University; UCAR/NCAR Regional reanalysis Arctic 15 km x 15 km 2000/01 to 2016/12 3h; Monthly NetCDF details
Byrd Polar Research Center, The Ohio State University/ David Bromwich,NCAR,CIRES,U Illinois Regional reanalysis Arctic 15 km x 15 km 2000/01 to 2016/12 3h;Monthly NetCDF details
Byrd Polar Research Center/The Ohio State University; UCAR/NCAR Regional reanalysis Arctic 15 km x 15 km 2000/01 to 2016/12 3h; Monthly NetCDF details
Byrd Polar Research Center/The Ohio State University; UCAR/NCAR Regional reanalysis Arctic 15 km x 15 km 2000/01 to 2016/12 3h; Monthly NetCDF details
Byrd Polar Research Center/The Ohio State University; UCAR/NCAR Regional reanalysis Arctic 15 km x 15 km 2000-2016 3h; Monthly NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25°× 0.25° 1980-2010 Daily NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1980-2010 Daily NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1980-2010 Daily NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1980-2010 Daily NetCDF details
ECMWF Re-gridded reanalysis Global (land only) 0.1° x 0.1° 1979- present Daily NetCDF details
ECMWF Re-gridded reanalysis Global (land only) 0.1° x 0.1° 1979 to present Daily NetCDF details
ECMWF Re-gridded reanalysis Global (land only) 0.1° x 0.1° 1979- present Daily NetCDF details
ECMWF Re-gridded reanalysis Global (land only) 0.1° x 0.1° 1979 to present Daily NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1980-2010 Daily NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1980-2010 Daily NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25°× 0.25° 1980-2010 Daily NetCDF details
NASA Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1980-2010 Daily NetCDF details
Air and near-surface ground temperatures for Mackenzie Valley Corridor
GEOSCAN Station data Northwestern Canada Point data 1993-2012 Daily; Monthly CSV details
An inventory of rock glaciers in the central B.C. Coast Mountains, Canada, from high resolution Google Earth imagery
University of Victoria Map, manual delineation Central British Columbia 15 cm – 15 m 2004/2005 n.a. CSV details
Arctic sea ice thickness climate data record
Copernicus Satellite data Polar 25 km x 25 km October to April, 2003 – present Monthly NetCDF details
Baker Creek Research Site, Northwest Territories
Chris Spence/ECCC; University of Saskatchewan; Carleton University Station data 7 stations   in Northwest Territories Point data 2005-2013 30 min. n.a. details
Baker Creek Research Site, Northwest Territories
Chris Spence/ECCC; University of Saskatchewan; Carleton University Station data Baker Creek, Northwest Territories Point data from 2004 Annual n.a. details
Bennett Townsite, Yukon
Parks Canada Station data 1 station in Yukon Point data Since 2015 Hourly n.a. details
Bennett Townsite, Yukon
Parks Canada Station data 1 site Point data Since 2015 Hourly n.a. details
Borehole and near-surface ground temperatures in northeastern Canada
CEN Station data Northeastern Canada Point data Variable 1990-present n.a. CSV details
Broad-scale mapping of terrain impacted by retrogressive thaw slumping in Northwestern Canada
Northwest Territories Geological Survey/GNWT Map, manual delineation Northwest Territories 2005-201015 km 2005-2010 n.a. Shapefiles details
CRD/ECCC Gridded observations Canada 50 km x 50 km 1948-2017 (anomalies) Monthly; Seasonal; Annual CSV; GeoJSON details
CRD/ECCC Gridded observations Canada 50 km x 50 km 1948 - 2017 (anomalies) Monthly; Seasonal; Annual CSV; GeoJSON details
IFREMER Satellite data Global 62.5 km x 62.5 km 10/1999 – 05/2020 Daily; Weekly; Monthly NetCDF details
NCEP Global atmospheric reanalysis Global 0.5° x 0.5° 1979/01 to 2017/11 Sub-daily; Monthly GRIB details
NCEP Global atmospheric reanalysis Global 0.5° x 0.5° 1979-2017 Sub-daily; Monthly GRIB details
NCEP Global atmospheric reanalysis Global 0.5°x0.5° 1979/01 to 2017/11 Sub-daily;Monthly GRIB details
NCEP Global atmospheric reanalysis Global 0.5° x 0.5° 1979-2017 Sub-daily; Monthly GRIB details
CFSR + CFSv2
NCEP Global atmospheric reanalysis Global 0.5° x 0.5° 1979-2010 (CFSR)2011-present (CFSv2) Hourly; 6h; Monthly GRIB details
CFSR + CFSv2
NCEP Global atmospheric reanalysis Global 0.5° x 0.5° 1979-2010(CFSR)2011-present  (CFSv2) Hourly; 6h; Monthly GRIB details
CIS  Ice Charts, Ice Atlas and the Icegraph tool
MSC/ECCC Gridded hybrid data: observations, satellite Canada 200 m Canadian Western Arctic (1968 to present), Canadian Eastern Arctic (1968 to present), Hudson Bay (1971 to present) and the East Coast of Canada (1968 to present) Weekly Digital charts; Shapefiles; DEX; GIG; CSV; Interactive web-tool images details
CMAP/A - CPC
CPC/NOAA Gridded hybrid data: observations, satellite, reanalyses 88.75 N-S 2.5° x 2.5° 1979-2020 Pentad; Monthly; Climatological means ASCII; NetCDF details
CMAP/O - CPC
CPC/NOAA Gridded hybrid data: observations, satellite 88.75 N-S 2.5° x 2.5° 1979-2020 Pentad; Monthly; Climatological means ASCII; NetCDF details
CRU CL v. 2.0
CRU/University of East Anglia Gridded observations Global (land surface) 10 arcminutes (0.1666667 degree) 1961-1990 Climatological means ASCII details
CRU/University of East Anglia Re-gridded reanalysis with corrections Global (land only) 0.5° × 0.5° 1901-2018 6h NetCDF details
CRU/University of East Anglia Re-gridded reanalysis with corrections Global (land only) 0.5° × 0.5° 1901-2020 6h NetCDF details
CRU JRA v2.1
CRU/University of East Anglia Re-gridded reanalysis with corrections Global (land only) 0.5° × 0.5° Jan.1901 - Dec. 2020 6h NetCDF details
CRU JRA v2.1
University of East Anglia Climatic Research Unit (CRU) Re-gridded reanalysis with corrections Global (land only) 0.5°× 0.5° Jan.1901 - Dec. 2020 6h NetCDF details
CRU TS Version 4
CRU/University of East Anglia Gridded observations Global 0.5 x 0.5 1901-2015 Monthly ASCII; NetCDF details
CRU TS Version 4
CRU/University of East Anglia Gridded observations Global (land only) 0.5° x 0.5° 1901–2018 Monthly NetCDF details
CRD/ECCC Station data Canada Point data; Transects, network peaks at ~2000 surveys in period 1965 -1985; most data located south of ~55 N 1928 - 2020 Daily NetCDF details
Canadian Historical Daily Snow Depth Data
CRD/ECCC Station data Canada Point data; peak of ~2000 stations in 1980s; most data located south of ~55 N; rapid decline in station numbers after 1995 variable1883-2017; Pan-Canadian coverage after ~1955 Daily ASCII; NetCDF details
Canadian Ice Thickness Program
MSC/ECCC Station data Canadian Arctic Point data 1947 – 2002;2002 – present (limited number of stations), during ice-cover season Weekly Excel files details
Canadian Wind Atlas
ECCC Numerical simulations Canada 2 km 2008 – 2010 10 min CSV details
Cape Bounty Arctic Watershed Observatory
Queen’s University Station data Paired watersheds (East and West) Cape Bounty, Melville Island Basin-scale data 2003-present Sub-daily n.a. details
Centre d’Expertise Hydrique du Québec’ dataset
Quebec Gouvernement Station data Québec including Nunavik Basin-scale data Variable Daily TXT details
Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 2
NSIDC Map, manual delineation Global Polygons from 1:10,000,000 paper map mid-late 20th century n.a. Shapefiles details
Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 2
NSIDC Map, manual delineation Global Polygons from 1:10,000,000 paper map Variable n.a. Shapefiles details
Circumpolar permafrost maps
Published in Scientific Data Model based on reanalyses North of N30º ~1 km x 1 km equilibrium 2000–2014 n.a. GeoTIFF details
CIRA/Colorado State University Satellite data Between 80 N-S due to orbit - along track - product disseminated as tiles; retrieval not performed over land Nominally 2 km along track and 1 km across track. The radar has a native vertical resolution of 480 m. 2006-2011, 2011-2020 (daytime only operations, interrupted record) Monthly Binary; HDF details
Crocus-ERA5
Météo-France Model based on reanalyses Global 0.25ᵒ x 0.25ᵒ Jan 1981--  present  (ongoing, annual updates) Daily NetCDF details
Helmholtz Center for Polar and Marine Research/AWI Satellite data Polar 25 km x 25 km October to April, 2010 - present Monthly NetCDF details
Daymet Version 4
Environmental Sciences Division/Oak Ridge National Laboratory Gridded observations North America (land only) 1 km x 1 km 1980-2019 Daily NetCDF details
ECMWF Operational analysis global 7 km 2016-present 6h NetCDF details
ECMWF Global atmospheric reanalysis Global 0.25° x 0.25° 1950 to present Hourly; Daily; Monthly GRIB; NetCDF details
ECMWF Global atmospheric reanalysis Global 0.25° x 0.25° 1950 - present Hourly;Daily;Monthly GRIB; NetCDF details
ECMWF Global atmospheric reanalysis Global 0.25° x 0.25° 1950 - present Hourly; Daily; Monthly GRIB; NetCDF details
ECMWF Global atmospheric reanalysis Global 0.25°  x 0.25° 1950 to present Hourly; Daily; Monthly GRIB;NetCDF details
ECMWF Global atmospheric reanalysis Global 0.25ᵒ x 0.25ᵒ 1950 - present Hourly; Monthly GRIB; NetCDF details
ERA5-Land
ECMWF Land surface reanalysis/model Global 0,1° x 0,1° (9 km) Jan 1950--  present  (ongoing,  ~3 month latency) Hourly; Monthly GRIB; NetCDF details
ECMWF Land surface reanalysis/model Global 0.1° x 0.1° (9 km) Jan 1950--  present  (ongoing,  ~3 month latency) Hourly; Monthly GRIB; NetCDF details
ECMWF Land surface reanalysis/model Global (land only) 0.1° x 0.1° (9 km) 1950 to present Hourly;Monthly GRIB;NetCDF details
ERA5-Land
ECMWF Land surface reanalysis/model Global (land only) 0.1° x 0.1° (9 km) 1950 - present Hourly; Monthly GRIB; NetCDF details
ECMWF Land surface reanalysis/model Global (land only) 0.1° x 0.1° (9 km) 1981 to present Hourly; Monthly GRIB; NetCDF details
ECMWF Land surface reanalysis/model Global (land only) 0.1° x 0.1° (9 km) 1950 to present Hourly; Monthly GRIB; NetCDF details
ERA5-Land
ECMWF Land surface reanalysis/model Global 0.1° x 0.1° (9 km) Jan 1950--  present  (ongoing, ~3 month latency) Hourly; Monthly GRIB; NetCDF details
Extremes of summer climate trigger thousands of thermokarst landslides in a High Arctic environment
University of Ottawa n.a. Banks Island, NWT 30 m or 60 m 1984–2016 n.a. CSV details
GLDAS-2.0 (Noah LSM)
NASA Land surface reanalysis/model Global 0.25ᵒ x 0.25ᵒ 1948-2014 3h; Monthly GeoTIFF; KMZ; NetCDF details
GLoFAS discharge reanalysis
Copernicus Model based on reanalyses Global 0.10ᵒ x 0.10ᵒ 1980-2018 Daily n.a. details
Princeton University Re-gridded reanalysis with corrections Global (land only) 0.25°× 0.25° 1948-2016 3h;Daily; Monthly NetCDF details
Princeton University Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1948-2016 3h; Daily; Monthly NetCDF details
Princeton University Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1948-2016 3h; Daily; Monthly NetCDF details
Princeton University Re-gridded reanalysis with corrections Global (land only) 0.25° × 0.25° 1948-2016 3h; Daily; Monthly NetCDF details
WMO Gridded observations Global 0.5° x 0.5°;1° x 1°;2.5° x2.5° 1891-2016 Daily; Monthly; Climatological means Binary; NetCDF details
GSFC/NASA Gridded hybrid data: observations, satellite Global 1° x 1° 1996-2015 Daily Binary; NetCDF details
GSFC/NASA Gridded hybrid data: observations, satellite Global 2.5° x 2.5° 1979 to present Monthly; Climatological means Binary; NetCDF details
GSFC/NASA Gridded hybrid data: observations, satellite Global 0.5° x 0.5° 1983 to present Monthly Binary; NetCDF details
IPA Station data Global Point data Variable (1950 to present) Daily; Annual CSV details
GeoYukon Water Resources Branch, Yukon Hydrometric Network
Yukon Government Station data Individual watersheds Basin-scale data 16 active stns:
Mean yrs: 15    Median yrs: 15    Max yrs: 36    
8 ≥ 20 yrs    
1 ≥ 30 yrs
Min start 1983

12 inactive stns:
Mean yrs: 5 Median yrs: 3    Max yrs: 13
Min Start 1975

Also 4 inactive stns for level only - short duration n.a. n.a. details
Geomorphologic feature mapping methodology for the Dempster Highway and Inuvik to Tuktoyaktuk Highway corridors
NRCan Map, manual delineation Dempster Highway and Inuvik to Tuktoyaktuk highway corridors 0.6 m 2004–2016 n.a. PDF details
ESA Gridded hybrid data: observations, satellite The Northern Hemisphere 25 km EASE1 (equal area) 1979-2018 Daily; Weekly; Monthly Matlab; NetCDF details
Ground ice map of Canada
NRCan Map, manual and heuristic rules Canada Polygons from 1:5,000,000 digital maps Late 20th century n.a. GeoTIFF; WMS details
Met Office/Hadley Centre Gridded observations; Station data Global 5° x 5° for gridded data and point for stations 1973 - 2020 Monthly ASCII; NetCDF details
Havikpak Creek Research Site, Northwest Territories
Dr. Phil Marsh/Wilfred Laurier University Station data Havikpak Creek, Northwest Territories Point data Since 1991: not every year included Annual n.a. details
Havikpak Creek Research Site, Northwest Territories
Dr. Phil Marsh/Wilfred Laurier University Station data 1 station in Northwest Territories Point data 1991-2013 30 min. n.a. details
Hydro-Québec Station data
Hydro-Québec Station data Northern Québec at hydroelectric stations Point Data Variable,1990 to present Variable ( sub-daily to daily) n.a. details
Hydro-Québec Station data
Hydro-Québec Station data Northern Québec at hydroelectric stations Point Data Variable (1990 to present) Variable ( sub-daily to daily) n.a. details
Hydro-Québec Station data
Hydro-Québec Station data Québec (regulated waterways) Basin-scale data Variable Sub-daily; Daily Excel files details
Hydro-Québec Station data
Hydro-Québec Station data Northern Québec at hydroelectric stations Point Data Variable,1990 to present Variable (hourly to daily) - details
Hydro-Québec Station data
Hydro-Québec Station data Northern Québec at hydroelectric stations Point Data Variable (1990 to present) Variable ( sub-daily to daily) n.a. details
University of Washington Station data irregular Point data 1979 to present Variable ( sub-daily to daily) ASCII; NetCDF details
NASA; NSIDC Satellite data Global 25 km x 25 km Two to three times per year in winter months; 09/2018 - present One or several times per year PNG; Binary; GeoTIFF; ASCII details
NASA Gridded hybrid data: observations, satellite Global 0.1° x 0.1° 2000 to present 30 min.; Daily; Monthly Binary; HDF details
NCEI/NOAA Station data Global Point data; ~20,000 stations; NH coverage most dense over mid-latitudes Variable, 1902 - present Sub-daily; Daily ASCII details
Ice, Cloud and land Elevation Satellite (ICESat) Geoscience Laser Altimeter System
NASA; NSIDC Satellite data Global 25 km x 25 km Two to three times per year in winter months; 01/2003-02/2010 One or several times per year PNG; Binary; GeoTIFF; ASCII details
Inventory of active retrogressive thaw slumps in the Peel Plateau, N.W.T.
Northwest Territories Geological Survey/GNWT Map, manual delineation Peel Plateau, NWT 10 m 2016-2017 n.a. Shapefiles details
Inventory of active retrogressive thaw slumps on eastern Banks Island, N.W.T.
Northwest Territories Geological Survey/GNWT Map, manual delineation Eastern Banks Island, NWT 10 m 2016-2017 n.a. Shapefiles details
Inventory of retrogressive thaw slumps in the Willow River watershed, mapped using 1986, 2002, and 2018 Landsat imagery
Northwest Territories Geological Survey/GNWT Map, manual delineation Willow River Watershed, NWT 30 m 1986, 2002, 2018 n.a. Shapefiles details
Inventory of retrogressive thaw slumps on the Peel Plateau and on southeastern Banks Island, N.W.T. using 2017 Sentinel imagery
Northwest Territories Geological Survey/GNWT Map, manual delineation Peel Plateau and southeastern Banks Island, NWT 10 m 2017 n.a. Shapefiles details
JMA Global atmospheric reanalysis Global 0.6258ᵒ x 0.6258ᵒ 1957-2021 3h; 6h; Daily; Monthly NetCDF details
JMA Global atmospheric reanalysis Global 0.6258ᵒ x 0.6258ᵒ 1958 - present 3h; 6h; Monthly GRIB details
JMA Global atmospheric reanalysis Global 0.6258ᵒ x 0.6258ᵒ 1957/12 to 2021/05 3h; 6h; Daily; Monthly NetCDF details
JMA Global atmospheric reanalysis Global 0.6258ᵒ x 0.6258ᵒ 1957-2021 3h; 6h; Daily; Monthly NetCDF details
JMA Global atmospheric reanalysis Global 0.6258ᵒ x 0.6258ᵒ 1957/12 to 2021/05 3h; 6h; Daily; Monthly NetCDF details
Kluane Lake Research Station
Arctic Institute of North America/University of Calgary Station data Single weather station in Yukon Point data Depends on variable; most of them are from June 2017 to present. Sub-daily CSV; Excel files; NetCDF details
Kluane Lake Research Station
Arctic Institute of North America/University of Calgary Station data Single weather station Point data June 2017 to present 30 min. CSV; Excel files; NetCDF details
Liston and Hiemstra  (2011) dataset
UCAR/NCAR Model based on reanalyses Northern Hemisphere land area, north of ~55 N 10 km x 10 km 1979-2009 3h CTL; Gdat details
Low Resolution OSISAFOSI-405 series
EUMETSAT Satellite data Global 62.5 km x 62.5 km 12/2009 – 07/2021 Summer data available following 2017 Daily NetCDF details
NASA Global atmospheric reanalysis Global 0.625ᵒ x 0.5ᵒ 1980-present Hourly; Daily; Monthly NetCDF details
NASA Global atmospheric reanalysis Global ½° latitude x ⅝°  longitude 1980-present Hourly; Daily; Monthly NetCDF details
NASA Global atmospheric reanalysis Global ½° latitude x ⅝° longitude 1980/01 to present Hourly; Daily; Monthly NetCDF details
NASA Global atmospheric reanalysis Global ½° latitude x ⅝° longitude 1980 to present Hourly; Daily; Monthly NetCDF details
NASA Global atmospheric reanalysis Global ½° latitude x ⅝° longitude 1980 to present Hourly; Daily; Monthly NetCDF details
NASA Global atmospheric reanalysis Global ½° latitude x ⅝° longitude 1980/01 to present Hourly; Daily; Monthly NetCDF details
Bolin Centre for Climate ResearchStockholm University Ship-based data Oden cruise trajectory Point data August, September, 2018 1-minute and 30-minute averages MatlabNetCDFCSV details
MODIS Terra / Aqua
NSIDC; NASA Interpreted/diagnosed from optical imagery Global 500 m (nominal) on sinusoidal grid

0.05° Climate Modelling Grid Terra: 24 Feb. 2000 - present
Aqua: 4 Jul. 2002 - present Sub-daily; Daily; Monthly GeoTIFF; HDF details
MSC Climate Normals
MSC/ECCC Station data Canada Point data 1941-1970; 1951-1980; 1961-1990; 1971-2000; 1981-2010. Climatological means CSV; GeoJSON details
MSC Climate Normals
MSC/ECCC Station data Canada Point data 1941-1970, 1951-1980, 1961-1990, 1971-2000 and 1981-2010 30-year means with a decadal increment CSV;GeoJSON details
MSC Climate Normals
MSC/ECCC Station data Canada Point data 1941-1970; 1951-1980; 1961-1990; 1971-2000; 1981-2010. Climatological means CSV; GeoJSON details
MSC Daily Climate Records (LTCE, Long Term Climate Extremes)
MSC/ECCC Station data Canada Point data Variable Records for each day of the year CSV; GeoJSON details
MSC Daily Climate Records (LTCE, Long Term Climate Extremes)
MSC/ECCC Station data Canada Point data Variable Records for each day of the year CSV; GeoJSON details
MSC Observations
MSC/ECCC Station data Canada Point data Variable (1940 to present) Hourly; Daily; Monthly CSV; GeoJSON details
MSC Observations
MSC/ECCC Station data Canada Point data Variable (1940- present) Hourly; Daily; Monthly CSV; GeoJSON details
MSC Observations
MSC/ECCC Station data Canada Point data Variable (1940 to present) Hourly; Daily; Monthly CSV; GeoJSON details
MSC Observations
MSC/ECCC Station data Canada Point data Variable (1940 to present) Hourly;Daily; Monthly CSV; GeoJSON details
MSC Snow Depth Observations
MSC/ECCC Station data Canada Point data Variable (1970-2019) Daily CSV; GeoJSON details
MSWEP version 2
GloH2O Gridded hybrid data: observations, satellite, reanalyses Global 0.1° x 0.1° 1979 to present 3h NetCDF details
Manitoba Hydro dataset
Manitoba Hydro Station data Manitoba (regulated waterways) Basin-scale data Variable Sub-daily; Daily Excel files details
Map and summary database of permafrost temperatures in Nunavut
GEOSCAN Station data Nunavut Point data Variable1995 - 2012 Summary statistics Variable Excel files details
Medium-resolution OSISAFOSI-407 series
EUMETSAT Satellite data Global 20 km x 20 km 12/2009 – 07/2021 Summer data available following 2017 6h NetCDF details
NRCan Blend of gridded products Canada 1 km x 1 km 1901–2017 Daily n.a. details
NRCan Blend of gridded products Canada 1 km x 1 km 1901–2100 Daily n.a. details
NRCan Blend of gridded products Canada 1 km x 1 km 1901–2017 Daily n.a. details
N.W.T. Permafrost Database
Northwest Territories Geological Survey/GNWT Station data NWT Point data Variable Variable CSV details
N.W.T. Permafrost Database
Northwest Territories Geological Survey/GNWT Station data NWT Point data Variable n.a. CSV details
N.W.T. Thermokarst Collective
Northwest Territories Geological Survey/GNWT Map, manual delineation Northwest Territories 7.5 km 2018 n.a. Shapefiles details
NCEP Regional reanalysis North America 32 km x 32 km 1979/01/01 to May 31, 2021 3h; Daily; Monthly GRIB; NetCDF details
NCEP Regional reanalysis North America 32 km x 32 km 1979/01/01 to May 31, 2021 3h; Daily; Monthly GRIB; NetCDF details
NCEP Regional reanalysis North America 32 km x 32 km 1979/01 to 2021/04 Sub-daily; Monthly GRIB details
NCEP Regional reanalysis North America 32 km x 32 km 1979-2021 Sub-daily; Monthly GRIB details
NCEP Regional reanalysis North America 32 km x 32 km 1979-2021 Sub-daily; Monthly GRIB details
NCEP Regional reanalysis North America 32 km x 32 km 1979/01 to 2021/04 Sub-daily; Monthly GRIB details
NLDAS LSM
NASA Land surface reanalysis/model Central North America (25-53 North). 0.125 deg. 1979 - present Hourly; Monthly GRIB details
NOAA Climate Data Record of Northern Hemisphere Snow Cover Extent version 1
NCEI/NOAA; Rutgers U. Interpreted/diagnosed from optical imagery Northern Hemisphere 89 x 89 grid: cell size varies with latitude, from ∼10,700 km² near lat. 0° to ∼41,800 km² near  lat. 90°N Record begins in 1966 (but more reliable from 1970) Weekly NetCDF details
NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration Version 4 and the sea ice tools
NSIDC Satellite data Global 25 km x 25 km 1978 to present Daily NetCDF; CSV; Interactive web-tool images details
Northwest Territories dataset
Department of Environment and Natural Resources/GNWT Station data Northwest Territories Wide; approx 67 sites. Point data Information not available One or several times per year n.a. details
OSI-SAF version 2
EUMETSAT Satellite data Global 25 km x 25 km 1979 to present Daily NetCDF details
Ontario Power Generation dataset
Ontario Power Generation Station data Ontario (regulated waterways) Basin-scale data Variable Sub-daily; Daily Excel files details
Operation Ice Bridge
NASA Aircraft surveys Arctic Antarctic Alaska 40 m x 200 m March and April, 2009 – 2020 Variable ASCII details
PCIC Gridded observations North-western North America 3.75 arc minutes (~6 km) 1945-2012 Daily ASCII;NetCDF details
PCIC Gridded observations North-western North America 3.75 arc minutes (~6 km) 1945-2012 Daily ASCII; NetCDF details
PCIC Gridded observations North-western North America 3.75 arc minutes (~6 km) 1945-2012 Daily ASCII; NetCDF details
Permafrost Ground Temperature for the Northern Hemisphere, v3.0
CEDA Archive/ESA Permafrost CCI+ Model based on reanalyses North of N30º 1 km x 1m A: 2003–2019B: 1997–2002 Annual NetCDF details
Permafrost Information Network
NRCan Station data Canada Point data Variable,1953-2009 n.a. n.a. details
Permafrost Map of Canada
NRCan Map, manual delineation Canada Polygons from 1:7,500,000 map mid-late 20th century n.a. PDF details
Permafrost Map of Canada
NRCan Map, manual delineation Canada Polygons from 1:7,500,000 map n.a. n.a. PDF details
Permafrost Zonation Index
University of Zurich Model based on reanalyses Global ~1 km x 1 km equilibrium 1960–1990 n.a. WMS; Binary details
Permafrost and ground ice conditions of northwestern Canada
NRCan Map, manual delineation Northwest Canada 1:1,000,000 n.a. n.a. PDF details
Permafrost extent for the Northern Hemisphere, v3.0
CEDA Archive/ESA Permafrost CCI+ Model based on reanalyses North of N30º ~1 km x 1 km A: 2003–2019B: 1997–2002 Annual NetCDF details
Phil Marsh dataset for basins in Nunavut
Phil Marsh/ McMaster University Station data Individual watersheds Basin-scale data Baker Creek at Outlet of Lower Martin Lake4/1/1991 to 11/1/2015Flat River near mouth1/1/1996 to 11/1/2015South Nahanni River above Virginia Falls1/1/1996 to 11/1/2015Scotty Creek at Highway No. 71/1/1996 to 11/1/2015Havikpak Creek near Inuvik1/1/1996 to 11/1/2015Trail Valley Creek near Inuvik1/1/1996 to 11/1/2015 Hourly n.a. details
Polar Bear Pass dataset
York University Station data Paired watersheds (Windy and Landing Strip creeks), Bathurst Island Basin-scale data 2007-present n.a. n.a. details
Polar Pathfinder 25 km daily EASE-grid sea ice motion vectors
NSIDC Satellite data Global 25 km x 25 km 25/10/1978 – 30/12/2020 Daily; Weekly PNG; NetCDF details
R-ArcticNet
University of New Hampshire Station data Pan-Arctic (North America and Eurasia) Basin-scale data Variable. Time series end in 2000 Daily; Monthly TXT details
CCMEP/ECCC Regional reanalysis North America 10 km x 10 km 2000 -2017,(1980 - 1999 pending) Hourly RPN details
CCMEP/ECCC Regional reanalysis North America 10 km x 10 km 2000-2017(1980-1999 pending) Hourly RPN details
CCMEP/ECCC Regional reanalysis North America 10 km 2000 - 2017,(1980 - 1999 pending) Hourly RPN details
CCMEP/ECCC Regional reanalysis North America 10 km x 10 km 2000-2017(1980-1999 pending) Hourly RPN details
RDRSv2.1
CCMEP/ECCC Regional reanalysis North America 10 km x 10 km 2000 - 2017,(1980 - 1999 pending) Hourly RPN details
Rutgers Northern Hemisphere 24 km Weekly Snow Cover Extent
Rutgers U.; NSIDC Interpreted/diagnosed from optical imagery Northern Hemisphere 1024 x 1024 grid: Cell areas range from ~159 km2 at the equator to ~651 km2 near the pole Sept 1980 - present Weekly NetCDF details
Data Integration and Analysis System (DIAS) Re-gridded reanalysis with corrections Global 0.5° x 0.5° 1958-2013 Daily NetCDF details
DIAS Re-gridded reanalysis with corrections Global 0.5° x 0.5° 1958-2013 Daily NetCDF details
DIAS Re-gridded reanalysis with corrections Global 0.5° x 0.5° 1958-2013 Daily NetCDF details
DIAS Re-gridded reanalysis with corrections Global 0.5°  x 0.5° 1958-2013 Daily NetCDF details
University of Saskatchewan Station data and reanalyses blend North America Point data 1979-2018 Daily NetCDF details
University of Saskatchewan Station data and reanalyses blend North America Point data 1979-2018 Daily NetCDF details
NASA Satellite data polar 36 km x 47 km 2015 - 2020 Daily HDF details
ESA Satellite data Polar 12.5 km x 12.5 km October to April, 2010 - present Daily NetCDF details
Scotty Creek Research Site, Northwest Territories
Bill Quinton/Wilfred Laurier University Station data Scotty Creek, Deh Tah region of Northwest Territories Point Data Since 1995 n.a. n.a. details
Scotty Creek Research Site, Northwest Territories
Bill Quinton/Wilfred Laurier University Station data 3 stations in Northwest Territories Point data Depends on station ( staring in 2001, 2004, and 2007) 30 min. n.a. details
Sea Ice Index Version 3
NSIDC Satellite data Global 25 km x 25 km 1978 to present Daily PNG; Shapefiles; CSV; GeoTIFF details
ESA Gridded hybrid data: observations, satellite The Northern Hemisphere 25 km; 12.5 km EASE2 1979-2018 Daily NetCDF details
Trail Valley Creek Research Site, Northwest Territories.
Dr. Phil Marsh/Wilfred Laurier University Station data Trail Valley Creek, Northwest Territories Point data Since 1991: not every year included Annual n.a. details
Trail Valley Creek Research Site, Northwest Territories.
Dr. Phil Marsh/Wilfred Laurier University Station data 3 stations in Northwest Territories Point data 1991-2013 30 min. n.a. details
USDA snow courses
NRCS/US Dept. of Agriculture Station data Western US, Canada, and Alaska Point data; 1,111 courses concentrated in mountains of western USA, Canada and Alaska 1935-- Monthly n.a. details
Unified Sea Ice Thickness Climate Data Record
R.W. Lindsay; A. Schweiger; NSIDC Gridded hybrid data: observations, satellite Arctic 50 km x 50 km 1947 - 2017 Monthly ASCII details
WSC  Observations
WSC/ECCC Station data Canada basin-scale data variable Daily CSV; TXT details
White Pass Railway & River  Divisions dataset, Yukon
Yukon Research Centre Station data 25 stations, from coast to interior Yukon - Skagway to Dawson and Wernecke Point data Earliest start Apr. 1902, latest finish Dec. 1957: median 25 yrs, max. 55.7 yrs Daily Excel files details
White Pass Railway & River  Divisions dataset, Yukon
Yukon Research Centre Station data from archives The upper Yukon River basin Point data 1902-1957 Daily Excel files details
Wolf Creek Research Basin, Yukon
Dr. Sean Carey/McMaster University Station data 6 stations in Yukon Point data Varies with the station (from 1993 to 2018) 30 min. n.a. details
Wolf Creek Research Basin, Yukon
Dr. Sean Carey/McMaster University Station data Wolf Creek, Yukon Point data Various: observatory has been operating since 1992

Note, though, that some individual instrumentation arrays have been more permanent, than others- the latter more sporadic, to support specific projects. Monthly n.a. details
WorldClim2
UN Environment World Conservation Monitoring Centre (UNEP-WCMC) Gridded observations Global (land only) 30 arc s (1 km) 1970-2000 Monthly GeoTIFF details
World Conservation Monitoring Centre/UNEP Gridded observations Global (land only) 10 arc minutes (~340 km);5 arc minutes;2.5 arc minutes; 30 arc seconds (1 km) 1970-2000 Monthly GeoTIFF details
World Conservation Monitoring Centre/UNEP Gridded observations Global (land only) 10 arc minutes (~340 km);5 arc minutes;2.5 arc minutes; 30 arc seconds (1 km) 1970-2000 Monthly GeoTIFF details
Yukon Avalanche Association Weather Network
Yukon Avalanche Association Station data 2 sites Point data Since 2011, 2018 n.a. n.a. details
Yukon Avalanche Association Weather Network
Yukon Avalanche Association Station data 1 to 7 stations (depending on variable) in Yukon Point data Variable (some starts in 1970, other in 2018) Variable ( sub-daily to daily) n.a. details
Yukon Permafrost Database
Yukon Geological Survey/Yukon Government Station data Yukon Point data Variable n.a. n.a. details
Yukon Permafrost Database
Yukon Geological Survey/Yukon Government Station data Yukon Point data variable Variable CSV details
Yukon Snow Survey Network
Department of Environment/Yukon Government Station data Yukon-wide; 57 active sites, 28 discontinued Point data Variable(~1975-05-01 - present) One or several times per year CSV details
Yukon Water Resources Meteorological Network
Yukon Government Station data Of a total of 4 active AWSs, 2 have 30+ yr records - 
Tagish (09AA-M1), Withers Lake (09DB-M1). Point data Installed 1989, 1991 n.a. n.a. details