| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.72 | 4.45 | 0.27 |
| Feb | 4.49 | 4.37 | 0.12 |
| Mar | 3.42 | 3.41 | 0.01 |
| Apr | 1.61 | 1.68 | -0.07 |
| May | 0.69 | 0.74 | -0.05 |
| Jun | 0.18 | 0.17 | 0.01 |
| Jul | 0.01 | 0.03 | -0.02 |
| Aug | 0.05 | 0.06 | -0.01 |
| Sep | 0.09 | 0.08 | 0.01 |
| Oct | 1.04 | 0.96 | 0.08 |
| Nov | 2.38 | 2.16 | 0.22 |
| Dec | 4.89 | 4.80 | 0.09 |
23.57 | 22.91 | 0.66 |