| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.95 | -0.07 |
| Feb | 1.10 | 1.21 | -0.11 |
| Mar | 2.08 | 2.05 | 0.03 |
| Apr | 3.75 | 3.66 | 0.09 |
| May | 5.07 | 5.00 | 0.07 |
| Jun | 5.06 | 5.25 | -0.19 |
| Jul | 4.01 | 4.08 | -0.07 |
| Aug | 4.05 | 3.97 | 0.08 |
| Sep | 3.39 | 3.35 | 0.04 |
| Oct | 2.55 | 2.68 | -0.13 |
| Nov | 1.79 | 1.78 | 0.01 |
| Dec | 1.30 | 1.41 | -0.11 |
35.03 | 35.39 | -0.36 |