| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.46 | -0.01 |
| Feb | 0.52 | 0.59 | -0.07 |
| Mar | 1.22 | 1.40 | -0.18 |
| Apr | 2.10 | 2.17 | -0.07 |
| May | 2.72 | 2.90 | -0.18 |
| Jun | 1.82 | 1.94 | -0.12 |
| Jul | 1.64 | 1.78 | -0.14 |
| Aug | 1.50 | 1.65 | -0.15 |
| Sep | 1.41 | 1.49 | -0.08 |
| Oct | 1.18 | 1.30 | -0.12 |
| Nov | 0.77 | 0.84 | -0.07 |
| Dec | 0.49 | 0.55 | -0.06 |
15.82 | 17.07 | -1.25 |