| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.93 | -0.10 |
| Feb | 3.39 | 3.41 | -0.02 |
| Mar | 4.30 | 4.38 | -0.08 |
| Apr | 4.10 | 4.12 | -0.02 |
| May | 3.88 | 4.00 | -0.12 |
| Jun | 4.38 | 4.38 | 0.00 |
| Jul | 4.00 | 4.07 | -0.07 |
| Aug | 4.40 | 4.50 | -0.10 |
| Sep | 3.94 | 4.01 | -0.07 |
| Oct | 3.49 | 3.55 | -0.06 |
| Nov | 3.56 | 3.60 | -0.04 |
| Dec | 4.00 | 4.11 | -0.11 |
47.27 | 48.06 | -0.79 |