| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.34 | -0.05 |
| Feb | 0.33 | 0.33 | 0.00 |
| Mar | 0.80 | 0.90 | -0.10 |
| Apr | 1.39 | 1.49 | -0.10 |
| May | 2.03 | 2.30 | -0.27 |
| Jun | 2.35 | 2.62 | -0.27 |
| Jul | 2.95 | 2.92 | 0.03 |
| Aug | 2.71 | 2.94 | -0.23 |
| Sep | 1.08 | 1.08 | 0.00 |
| Oct | 1.23 | 1.34 | -0.11 |
| Nov | 0.49 | 0.48 | 0.01 |
| Dec | 0.44 | 0.39 | 0.05 |
16.09 | 17.13 | -1.04 |