| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.81 | 0.07 |
| Feb | 0.94 | 0.85 | 0.09 |
| Mar | 1.79 | 1.64 | 0.15 |
| Apr | 3.13 | 2.89 | 0.24 |
| May | 4.40 | 4.24 | 0.16 |
| Jun | 4.99 | 4.94 | 0.05 |
| Jul | 4.34 | 4.09 | 0.25 |
| Aug | 4.49 | 4.45 | 0.04 |
| Sep | 3.45 | 3.43 | 0.02 |
| Oct | 2.56 | 2.50 | 0.06 |
| Nov | 1.63 | 1.54 | 0.09 |
| Dec | 1.22 | 1.17 | 0.05 |
33.82 | 32.55 | 1.27 |