| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.56 | 0.01 |
| Feb | 0.48 | 0.51 | -0.03 |
| Mar | 0.77 | 0.85 | -0.08 |
| Apr | 0.83 | 1.03 | -0.20 |
| May | 1.32 | 1.20 | 0.12 |
| Jun | 1.50 | 1.68 | -0.18 |
| Jul | 3.06 | 3.10 | -0.04 |
| Aug | 2.76 | 2.94 | -0.18 |
| Sep | 2.25 | 2.02 | 0.23 |
| Oct | 1.35 | 1.32 | 0.03 |
| Nov | 0.70 | 0.71 | -0.01 |
| Dec | 0.84 | 0.88 | -0.04 |
16.43 | 16.80 | -0.37 |