| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 3.55 | 0.39 |
| Feb | 3.25 | 3.39 | -0.14 |
| Mar | 3.97 | 4.03 | -0.06 |
| Apr | 4.34 | 4.17 | 0.17 |
| May | 4.25 | 4.45 | -0.20 |
| Jun | 4.88 | 5.39 | -0.51 |
| Jul | 4.51 | 4.79 | -0.28 |
| Aug | 4.36 | 4.49 | -0.13 |
| Sep | 4.15 | 4.15 | 0.00 |
| Oct | 5.39 | 5.49 | -0.10 |
| Nov | 4.10 | 4.04 | 0.06 |
| Dec | 4.65 | 4.35 | 0.30 |
51.79 | 52.29 | -0.50 |