| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.92 | -0.35 |
| Feb | 2.10 | 2.36 | -0.26 |
| Mar | 2.84 | 3.09 | -0.25 |
| Apr | 3.54 | 3.71 | -0.17 |
| May | 3.90 | 3.94 | -0.04 |
| Jun | 4.08 | 3.82 | 0.26 |
| Jul | 3.90 | 3.92 | -0.02 |
| Aug | 3.59 | 3.59 | 0.00 |
| Sep | 3.61 | 3.76 | -0.15 |
| Oct | 3.39 | 3.43 | -0.04 |
| Nov | 3.02 | 3.00 | 0.02 |
| Dec | 2.73 | 2.96 | -0.23 |
39.27 | 40.50 | -1.23 |