| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.77 | -0.12 |
| Feb | 2.18 | 2.14 | 0.04 |
| Mar | 2.76 | 2.59 | 0.17 |
| Apr | 3.83 | 3.73 | 0.10 |
| May | 4.08 | 3.99 | 0.09 |
| Jun | 4.32 | 4.33 | -0.01 |
| Jul | 3.94 | 4.12 | -0.18 |
| Aug | 3.52 | 3.32 | 0.20 |
| Sep | 3.38 | 3.29 | 0.09 |
| Oct | 2.97 | 2.83 | 0.14 |
| Nov | 2.99 | 2.78 | 0.21 |
| Dec | 2.78 | 2.68 | 0.10 |
39.40 | 38.57 | 0.83 |