| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.90 | -0.10 |
| Feb | 0.91 | 0.94 | -0.03 |
| Mar | 1.62 | 1.77 | -0.15 |
| Apr | 3.16 | 3.04 | 0.12 |
| May | 4.22 | 4.15 | 0.07 |
| Jun | 4.85 | 5.39 | -0.54 |
| Jul | 4.15 | 4.37 | -0.22 |
| Aug | 4.05 | 4.17 | -0.12 |
| Sep | 3.16 | 3.43 | -0.27 |
| Oct | 2.36 | 2.54 | -0.18 |
| Nov | 1.50 | 1.53 | -0.03 |
| Dec | 1.11 | 1.15 | -0.04 |
31.89 | 33.38 | -1.49 |