| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.67 | -0.04 |
| Feb | 0.78 | 0.81 | -0.03 |
| Mar | 1.60 | 1.66 | -0.06 |
| Apr | 2.95 | 2.97 | -0.02 |
| May | 4.17 | 4.05 | 0.12 |
| Jun | 4.49 | 4.44 | 0.05 |
| Jul | 3.33 | 3.38 | -0.05 |
| Aug | 3.34 | 3.36 | -0.02 |
| Sep | 3.15 | 3.10 | 0.05 |
| Oct | 2.32 | 2.39 | -0.07 |
| Nov | 1.32 | 1.34 | -0.02 |
| Dec | 0.91 | 0.95 | -0.04 |
28.99 | 29.12 | -0.13 |