| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.60 | 0.00 |
| Feb | 0.83 | 0.84 | -0.01 |
| Mar | 1.41 | 1.51 | -0.10 |
| Apr | 2.57 | 2.70 | -0.13 |
| May | 4.36 | 4.40 | -0.04 |
| Jun | 4.00 | 4.20 | -0.20 |
| Jul | 4.35 | 4.35 | 0.00 |
| Aug | 3.37 | 3.41 | -0.04 |
| Sep | 2.56 | 2.68 | -0.12 |
| Oct | 2.04 | 2.02 | 0.02 |
| Nov | 1.20 | 1.18 | 0.02 |
| Dec | 0.94 | 0.96 | -0.02 |
28.23 | 28.85 | -0.62 |