| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.51 | -0.04 |
| Feb | 0.52 | 0.70 | -0.18 |
| Mar | 0.85 | 1.04 | -0.19 |
| Apr | 1.66 | 1.74 | -0.08 |
| May | 2.38 | 2.56 | -0.18 |
| Jun | 1.35 | 1.45 | -0.10 |
| Jul | 0.95 | 1.13 | -0.18 |
| Aug | 0.82 | 0.85 | -0.03 |
| Sep | 1.04 | 1.05 | -0.01 |
| Oct | 1.19 | 1.29 | -0.10 |
| Nov | 0.56 | 0.66 | -0.10 |
| Dec | 0.50 | 0.61 | -0.11 |
12.29 | 13.59 | -1.30 |