| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.72 | -0.47 |
| Feb | 2.79 | 3.42 | -0.63 |
| Mar | 2.48 | 2.72 | -0.24 |
| Apr | 1.09 | 1.16 | -0.07 |
| May | 0.47 | 0.49 | -0.02 |
| Jun | 0.08 | 0.09 | -0.01 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.03 | 0.02 | 0.01 |
| Sep | 0.05 | 0.04 | 0.01 |
| Oct | 0.71 | 0.74 | -0.03 |
| Nov | 1.47 | 1.59 | -0.12 |
| Dec | 2.67 | 3.35 | -0.68 |
15.10 | 17.34 | -2.24 |