| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.50 | -0.07 |
| Feb | 0.50 | 0.50 | 0.00 |
| Mar | 0.66 | 0.70 | -0.04 |
| Apr | 1.72 | 1.89 | -0.17 |
| May | 2.46 | 2.49 | -0.03 |
| Jun | 2.72 | 2.90 | -0.18 |
| Jul | 1.10 | 1.12 | -0.02 |
| Aug | 1.04 | 1.25 | -0.21 |
| Sep | 1.40 | 1.48 | -0.08 |
| Oct | 1.04 | 1.13 | -0.09 |
| Nov | 0.57 | 0.64 | -0.07 |
| Dec | 0.48 | 0.55 | -0.07 |
14.12 | 15.15 | -1.03 |