| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.13 | -0.17 |
| Feb | 0.88 | 0.99 | -0.11 |
| Mar | 1.39 | 1.47 | -0.08 |
| Apr | 2.43 | 2.61 | -0.18 |
| May | 3.13 | 3.40 | -0.27 |
| Jun | 4.22 | 4.34 | -0.12 |
| Jul | 3.86 | 3.84 | 0.02 |
| Aug | 3.45 | 3.61 | -0.16 |
| Sep | 3.22 | 3.41 | -0.19 |
| Oct | 2.89 | 3.07 | -0.18 |
| Nov | 1.77 | 2.05 | -0.28 |
| Dec | 1.32 | 1.55 | -0.23 |
29.52 | 31.47 | -1.95 |