NARR

From variable 3.5
Summary of observation-based historical datasets with total precipitation available.
reference

source
NCEP
data type
Regional reanalysis
spatial domain
North America
spatial resolution
32 km x 32 km
temporal coverage
1979-2021
time step
Sub-daily; Monthly
data format
GRIB
comments
It is initialized and driven by NCEP/NCAR Global Reanalysis 2. It provides forecast values for convective and total precipitation, and the type of precipitation (snow, ice pellets, freezing rain, or rain).