| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.54 | 0.03 |
| Feb | 0.82 | 0.75 | 0.07 |
| Mar | 1.35 | 1.28 | 0.07 |
| Apr | 2.18 | 2.04 | 0.14 |
| May | 3.85 | 3.65 | 0.20 |
| Jun | 3.43 | 3.20 | 0.23 |
| Jul | 3.97 | 3.99 | -0.02 |
| Aug | 3.45 | 3.33 | 0.12 |
| Sep | 2.01 | 2.18 | -0.17 |
| Oct | 1.78 | 1.71 | 0.07 |
| Nov | 0.95 | 0.91 | 0.04 |
| Dec | 0.82 | 0.83 | -0.01 |
25.18 | 24.41 | 0.77 |