| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.32 | 0.41 | -0.09 |
| Feb | 0.40 | 0.45 | -0.05 |
| Mar | 0.68 | 0.81 | -0.13 |
| Apr | 1.10 | 1.47 | -0.37 |
| May | 1.79 | 1.82 | -0.03 |
| Jun | 1.48 | 1.50 | -0.02 |
| Jul | 1.51 | 1.53 | -0.02 |
| Aug | 1.12 | 1.22 | -0.10 |
| Sep | 1.14 | 1.19 | -0.05 |
| Oct | 1.00 | 1.00 | 0.00 |
| Nov | 0.48 | 0.60 | -0.12 |
| Dec | 0.39 | 0.48 | -0.09 |
11.41 | 12.48 | -1.07 |