| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.47 | 4.35 | 0.12 |
| Feb | 4.77 | 4.66 | 0.11 |
| Mar | 5.02 | 4.90 | 0.12 |
| Apr | 4.95 | 4.83 | 0.12 |
| May | 4.95 | 5.05 | -0.10 |
| Jun | 4.65 | 4.50 | 0.15 |
| Jul | 4.77 | 4.84 | -0.07 |
| Aug | 3.84 | 3.65 | 0.19 |
| Sep | 3.84 | 3.75 | 0.09 |
| Oct | 3.62 | 3.51 | 0.11 |
| Nov | 3.68 | 3.75 | -0.07 |
| Dec | 5.13 | 5.05 | 0.08 |
53.69 | 52.84 | 0.85 |