| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.81 | -0.04 |
| Feb | 1.20 | 1.22 | -0.02 |
| Mar | 1.52 | 1.55 | -0.03 |
| Apr | 1.38 | 1.40 | -0.02 |
| May | 1.54 | 1.65 | -0.11 |
| Jun | 0.84 | 0.96 | -0.12 |
| Jul | 0.22 | 0.24 | -0.02 |
| Aug | 0.20 | 0.22 | -0.02 |
| Sep | 0.44 | 0.46 | -0.02 |
| Oct | 0.94 | 0.94 | 0.00 |
| Nov | 1.43 | 1.41 | 0.02 |
| Dec | 1.95 | 2.05 | -0.10 |
13.43 | 13.91 | -0.48 |