| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.48 | 0.02 |
| Feb | 0.57 | 0.57 | 0.00 |
| Mar | 0.90 | 0.89 | 0.01 |
| Apr | 1.84 | 1.81 | 0.03 |
| May | 3.14 | 3.25 | -0.11 |
| Jun | 3.59 | 3.61 | -0.02 |
| Jul | 3.15 | 3.25 | -0.10 |
| Aug | 2.36 | 2.51 | -0.15 |
| Sep | 2.10 | 2.17 | -0.07 |
| Oct | 1.88 | 1.87 | 0.01 |
| Nov | 0.68 | 0.66 | 0.02 |
| Dec | 0.59 | 0.57 | 0.02 |
21.30 | 21.64 | -0.34 |