| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.17 | 2.42 | -0.25 |
| Feb | 1.42 | 1.50 | -0.08 |
| Mar | 1.16 | 1.43 | -0.27 |
| Apr | 0.75 | 0.89 | -0.14 |
| May | 1.13 | 1.07 | 0.06 |
| Jun | 1.02 | 1.09 | -0.07 |
| Jul | 0.60 | 0.65 | -0.05 |
| Aug | 0.47 | 0.45 | 0.02 |
| Sep | 0.54 | 0.49 | 0.05 |
| Oct | 1.24 | 1.34 | -0.10 |
| Nov | 1.95 | 2.32 | -0.37 |
| Dec | 2.83 | 2.85 | -0.02 |
15.28 | 16.50 | -1.22 |