| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.39 | -0.12 |
| Feb | 2.97 | 3.01 | -0.04 |
| Mar | 3.79 | 3.85 | -0.06 |
| Apr | 4.05 | 4.05 | 0.00 |
| May | 3.66 | 3.70 | -0.04 |
| Jun | 4.38 | 4.53 | -0.15 |
| Jul | 4.11 | 4.12 | -0.01 |
| Aug | 4.12 | 4.19 | -0.07 |
| Sep | 4.50 | 4.50 | 0.00 |
| Oct | 4.85 | 4.88 | -0.03 |
| Nov | 3.70 | 3.67 | 0.03 |
| Dec | 4.17 | 4.38 | -0.21 |
47.57 | 48.27 | -0.70 |