| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.65 | -0.15 |
| Feb | 0.46 | 0.63 | -0.17 |
| Mar | 0.68 | 0.84 | -0.16 |
| Apr | 0.89 | 1.02 | -0.13 |
| May | 0.84 | 0.97 | -0.13 |
| Jun | 0.47 | 0.54 | -0.07 |
| Jul | 0.70 | 0.76 | -0.06 |
| Aug | 0.90 | 0.95 | -0.05 |
| Sep | 1.01 | 1.13 | -0.12 |
| Oct | 0.98 | 1.17 | -0.19 |
| Nov | 0.57 | 0.79 | -0.22 |
| Dec | 0.47 | 0.63 | -0.16 |
8.47 | 10.08 | -1.61 |