| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.58 | 1.60 | -0.02 |
| Apr | 2.10 | 2.17 | -0.07 |
| May | 3.35 | 3.25 | 0.10 |
| Jun | 3.74 | 3.78 | -0.04 |
| Jul | 3.05 | 3.13 | -0.08 |
| Aug | 3.01 | 3.33 | -0.32 |
| Sep | 1.71 | 1.77 | -0.06 |
| Oct | 2.02 | 2.13 | -0.11 |
| Nov | 0.91 | 0.97 | -0.06 |
| Dec | 0.98 | 1.01 | -0.03 |
23.94 | 24.62 | -0.68 |