| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.58 | -0.05 |
| Feb | 0.69 | 0.71 | -0.02 |
| Mar | 1.36 | 1.39 | -0.03 |
| Apr | 1.86 | 1.93 | -0.07 |
| May | 3.17 | 3.45 | -0.28 |
| Jun | 3.10 | 3.27 | -0.17 |
| Jul | 3.69 | 3.77 | -0.08 |
| Aug | 3.03 | 3.07 | -0.04 |
| Sep | 1.70 | 1.64 | 0.06 |
| Oct | 1.84 | 1.89 | -0.05 |
| Nov | 0.70 | 0.72 | -0.02 |
| Dec | 0.81 | 0.91 | -0.10 |
22.48 | 23.33 | -0.85 |