| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.56 | -0.09 |
| Feb | 0.55 | 0.65 | -0.10 |
| Mar | 1.23 | 1.38 | -0.15 |
| Apr | 1.98 | 2.07 | -0.09 |
| May | 2.39 | 2.48 | -0.09 |
| Jun | 1.72 | 1.75 | -0.03 |
| Jul | 1.89 | 1.95 | -0.06 |
| Aug | 1.79 | 1.73 | 0.06 |
| Sep | 1.38 | 1.29 | 0.09 |
| Oct | 1.08 | 1.18 | -0.10 |
| Nov | 0.71 | 0.83 | -0.12 |
| Dec | 0.53 | 0.60 | -0.07 |
15.72 | 16.47 | -0.75 |