| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.42 | -0.01 |
| Feb | 0.39 | 0.37 | 0.02 |
| Mar | 0.71 | 0.68 | 0.03 |
| Apr | 0.78 | 0.71 | 0.07 |
| May | 1.15 | 1.25 | -0.10 |
| Jun | 1.51 | 1.47 | 0.04 |
| Jul | 2.49 | 2.41 | 0.08 |
| Aug | 2.27 | 2.36 | -0.09 |
| Sep | 1.86 | 1.84 | 0.02 |
| Oct | 1.33 | 1.43 | -0.10 |
| Nov | 0.47 | 0.50 | -0.03 |
| Dec | 0.61 | 0.66 | -0.05 |
13.98 | 14.10 | -0.12 |