| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.32 | -0.07 |
| Feb | 3.71 | 3.84 | -0.13 |
| Mar | 4.30 | 4.42 | -0.12 |
| Apr | 3.21 | 3.32 | -0.11 |
| May | 3.40 | 3.33 | 0.07 |
| Jun | 4.90 | 5.13 | -0.23 |
| Jul | 4.96 | 4.88 | 0.08 |
| Aug | 4.95 | 4.99 | -0.04 |
| Sep | 3.97 | 4.12 | -0.15 |
| Oct | 2.94 | 2.88 | 0.06 |
| Nov | 3.08 | 3.18 | -0.10 |
| Dec | 4.30 | 4.23 | 0.07 |
47.97 | 48.64 | -0.67 |