| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.91 | 2.09 | -0.18 |
| Feb | 1.82 | 1.99 | -0.17 |
| Mar | 2.33 | 2.28 | 0.05 |
| Apr | 3.82 | 3.82 | 0.00 |
| May | 4.65 | 4.68 | -0.03 |
| Jun | 4.43 | 4.39 | 0.04 |
| Jul | 3.71 | 3.71 | 0.00 |
| Aug | 3.95 | 4.07 | -0.12 |
| Sep | 3.28 | 3.27 | 0.01 |
| Oct | 3.42 | 3.43 | -0.01 |
| Nov | 2.48 | 2.62 | -0.14 |
| Dec | 2.10 | 2.20 | -0.10 |
37.90 | 38.55 | -0.65 |