NARR

From variable 3.7
Summary of observation-based historical datasets with specific and/or relative humidity available
reference

source
NCEP
data type
Regional reanalysis
spatial domain
North America
spatial resolution
32 km x 32 km
temporal coverage
1979/01 to 2021/04
time step
Sub-daily; Monthly
data format
GRIB
comments
It is initialized and driven by NCEP/NCAR Global Reanalysis 2. Provides 2 m specific humidity and 2 m relative humidity. Provides also 2 m dew point temperature (information on temperature variables are provided in Near Surface temperature subsection).