Name | Institute | Grids | Period |
NCEP1 | NCEP/NCAR | 192 × 94 (1.875) | 1948-present |
NCEP2 | NCEP/DOE | 192 × 94 (1.875) | 1979-present |
ERA Interim | ECMWF | 240 × 121 (1.5) | 1979-present |
GPCP | GSFC | 360 × 180 (1.0) | 1997-present |