| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 2.88 | 0.20 |
| Feb | 2.70 | 2.85 | -0.15 |
| Mar | 3.62 | 3.64 | -0.02 |
| Apr | 3.77 | 3.89 | -0.12 |
| May | 4.42 | 4.32 | 0.10 |
| Jun | 4.43 | 4.25 | 0.18 |
| Jul | 3.99 | 4.06 | -0.07 |
| Aug | 3.52 | 3.22 | 0.30 |
| Sep | 3.68 | 3.51 | 0.17 |
| Oct | 2.81 | 2.96 | -0.15 |
| Nov | 2.85 | 3.02 | -0.17 |
| Dec | 3.33 | 3.35 | -0.02 |
42.20 | 41.95 | 0.25 |