| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.41 | -0.01 |
| Feb | 0.38 | 0.43 | -0.05 |
| Mar | 0.65 | 0.68 | -0.03 |
| Apr | 1.62 | 1.57 | 0.05 |
| May | 2.39 | 2.61 | -0.22 |
| Jun | 2.58 | 2.87 | -0.29 |
| Jul | 1.49 | 1.67 | -0.18 |
| Aug | 1.20 | 1.27 | -0.07 |
| Sep | 1.03 | 1.21 | -0.18 |
| Oct | 0.85 | 0.96 | -0.11 |
| Nov | 0.57 | 0.57 | 0.00 |
| Dec | 0.46 | 0.52 | -0.06 |
13.62 | 14.77 | -1.15 |