| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.83 | -0.09 |
| Feb | 0.67 | 0.71 | -0.04 |
| Mar | 0.82 | 0.97 | -0.15 |
| Apr | 0.83 | 0.98 | -0.15 |
| May | 1.04 | 1.13 | -0.09 |
| Jun | 1.08 | 1.02 | 0.06 |
| Jul | 2.58 | 2.65 | -0.07 |
| Aug | 2.67 | 3.87 | -1.20 |
| Sep | 1.71 | 1.96 | -0.25 |
| Oct | 1.26 | 1.48 | -0.22 |
| Nov | 0.77 | 0.96 | -0.19 |
| Dec | 0.84 | 0.94 | -0.10 |
15.01 | 17.50 | -2.49 |