| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.90 | -0.07 |
| Feb | 2.94 | 3.24 | -0.30 |
| Mar | 4.50 | 4.79 | -0.29 |
| Apr | 3.63 | 3.65 | -0.02 |
| May | 3.62 | 3.73 | -0.11 |
| Jun | 3.85 | 4.13 | -0.28 |
| Jul | 4.65 | 4.48 | 0.17 |
| Aug | 4.57 | 4.62 | -0.05 |
| Sep | 3.98 | 4.12 | -0.14 |
| Oct | 4.10 | 4.29 | -0.19 |
| Nov | 3.28 | 3.53 | -0.25 |
| Dec | 4.53 | 4.81 | -0.28 |
47.48 | 49.29 | -1.81 |