| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 3.07 | -0.37 |
| Feb | 2.04 | 2.17 | -0.13 |
| Mar | 1.95 | 2.05 | -0.10 |
| Apr | 1.69 | 1.89 | -0.20 |
| May | 1.38 | 1.50 | -0.12 |
| Jun | 0.75 | 0.77 | -0.02 |
| Jul | 0.36 | 0.34 | 0.02 |
| Aug | 0.32 | 0.34 | -0.02 |
| Sep | 0.45 | 0.49 | -0.04 |
| Oct | 1.31 | 1.43 | -0.12 |
| Nov | 2.51 | 2.77 | -0.26 |
| Dec | 3.51 | 3.94 | -0.43 |
18.97 | 20.76 | -1.79 |