| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.94 | -0.06 |
| Feb | 1.12 | 1.22 | -0.10 |
| Mar | 2.06 | 2.04 | 0.02 |
| Apr | 3.74 | 3.55 | 0.19 |
| May | 5.04 | 4.89 | 0.15 |
| Jun | 4.96 | 5.09 | -0.13 |
| Jul | 4.04 | 3.99 | 0.05 |
| Aug | 3.97 | 3.90 | 0.07 |
| Sep | 3.41 | 3.32 | 0.09 |
| Oct | 2.53 | 2.60 | -0.07 |
| Nov | 1.77 | 1.78 | -0.01 |
| Dec | 1.32 | 1.39 | -0.07 |
34.84 | 34.71 | 0.13 |