| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.68 | 6.01 | 0.67 |
| Feb | 5.02 | 4.42 | 0.60 |
| Mar | 5.39 | 4.90 | 0.49 |
| Apr | 4.15 | 3.74 | 0.41 |
| May | 2.88 | 2.69 | 0.19 |
| Jun | 1.79 | 1.74 | 0.05 |
| Jul | 0.40 | 0.38 | 0.02 |
| Aug | 0.48 | 0.44 | 0.04 |
| Sep | 1.66 | 1.55 | 0.11 |
| Oct | 3.97 | 3.56 | 0.41 |
| Nov | 6.83 | 5.99 | 0.84 |
| Dec | 7.76 | 7.02 | 0.74 |
47.01 | 42.44 | 4.57 |