| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.38 | -0.01 |
| Feb | 0.29 | 0.35 | -0.06 |
| Mar | 0.56 | 0.57 | -0.01 |
| Apr | 0.97 | 0.98 | -0.01 |
| May | 2.05 | 1.91 | 0.14 |
| Jun | 3.12 | 3.10 | 0.02 |
| Jul | 2.39 | 2.61 | -0.22 |
| Aug | 1.56 | 1.43 | 0.13 |
| Sep | 1.11 | 1.21 | -0.10 |
| Oct | 0.84 | 0.89 | -0.05 |
| Nov | 0.52 | 0.51 | 0.01 |
| Dec | 0.40 | 0.44 | -0.04 |
14.18 | 14.38 | -0.20 |