| Datasets | Areal Coverage | Grid Size | Time Step | Time Coverage | Levels |
|---|
| CPC Hourly Precipitation
|
U.S. | 2.0°x2.5° | Hourly | 1948-2002 | None |
| NCEP/NCAR Reanalysis
|
Global | 2.5°x2.5°, T42 Gaussian, T62 spectral |
4X Daily, Daily, Monthly | 1948-present | 17 pressure levels, 28 spectral |
| NCEP/NCAR Reanalysis Products Derived at NOAA/PSL
|
Global | 2.5°x2.5°, T62 Gaussian |
Daily, Monthly | 1948-present | 17 pressure levels, 28 spectral |
| NCEP/DOE Reanalysis II
|
Global | 2.5°x2.5° |
4X Daily, Daily, Monthly | 1979-Dec 2012 | 17 Pressure levels |
| NOAA-CIRES 20th Century Reanalysis (V2)
|
Global | 2.5°x2.5° |
4X Daily | 1871-2012 | 24 pressure levels |
| NOAA-CIRES 20th Century Reanalysis (V2c)
|
Global | 2.5°x2.5° |
4X Daily | 1851-2014 | 24 pressure levels |
NOAA-CIRES-DOE 20th Century Reanalysis V3
|
Global | 1.0°x1.0° |
8X Daily | 1836-2015 | 24 pressure levels |