| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.80 | -0.20 |
| Feb | 0.82 | 0.99 | -0.17 |
| Mar | 1.68 | 2.13 | -0.45 |
| Apr | 2.52 | 2.92 | -0.40 |
| May | 2.41 | 2.73 | -0.32 |
| Jun | 1.95 | 2.07 | -0.12 |
| Jul | 2.38 | 2.70 | -0.32 |
| Aug | 2.39 | 2.98 | -0.59 |
| Sep | 1.65 | 1.77 | -0.12 |
| Oct | 1.18 | 1.37 | -0.19 |
| Nov | 0.82 | 1.07 | -0.25 |
| Dec | 0.62 | 0.89 | -0.27 |
19.02 | 22.42 | -3.40 |