| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.76 | 1.84 | -0.08 |
| Feb | 1.76 | 1.83 | -0.07 |
| Mar | 2.24 | 2.19 | 0.05 |
| Apr | 3.77 | 3.68 | 0.09 |
| May | 4.53 | 4.76 | -0.23 |
| Jun | 4.61 | 4.71 | -0.10 |
| Jul | 3.90 | 3.90 | 0.00 |
| Aug | 3.83 | 3.91 | -0.08 |
| Sep | 3.50 | 3.48 | 0.02 |
| Oct | 3.19 | 3.17 | 0.02 |
| Nov | 2.40 | 2.43 | -0.03 |
| Dec | 2.04 | 2.06 | -0.02 |
37.53 | 37.96 | -0.43 |