| Datasets | Description |
| CPC Hourly Precipitation
|
NCEP's hourly gridded US station precipitation from 1948. |
| North American Regional Renalaysis (NARR)
|
NCEP's high resolution combined model and assimilated dataset. It covers 1979 to near present and is provided 8-times daily, daily and monthly on a Northern Hemisphere Lambert Conformal Conic grid for all variables. |
| NCEP/NCAR Reanalysis
|
A state-of-the-art analysis/forecast system is used to perform data assimilation using data from 1948 to the present. |
| PSD Derived NCEP/NCAR Reanalysis Products
|
A subset of the NCEP/NCAR Reanalysis has been processed to create monthly means of the original data, and in some cases, derived variables or other statistics. |
| NCEP/DOE Reanalysis II
|
A state-of-the-art analysis/forecast system is used to perform data assimilation using data from 1979 through 2003. A large subset of this data is available from PSD in its original 4 times daily format and as daily averages. |