| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.95 | -0.18 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.61 | 1.72 | -0.11 |
| Apr | 2.90 | 3.14 | -0.24 |
| May | 4.16 | 4.21 | -0.05 |
| Jun | 4.55 | 4.72 | -0.17 |
| Jul | 4.23 | 4.46 | -0.23 |
| Aug | 4.55 | 4.37 | 0.18 |
| Sep | 3.33 | 3.29 | 0.04 |
| Oct | 2.75 | 2.88 | -0.13 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.10 | 1.29 | -0.19 |
32.30 | 33.63 | -1.33 |