| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.51 | -0.12 |
| Feb | 2.66 | 2.87 | -0.21 |
| Mar | 3.66 | 3.85 | -0.19 |
| Apr | 3.79 | 3.83 | -0.04 |
| May | 3.93 | 3.97 | -0.04 |
| Jun | 4.37 | 4.54 | -0.17 |
| Jul | 4.95 | 4.98 | -0.03 |
| Aug | 4.68 | 4.66 | 0.02 |
| Sep | 4.58 | 4.66 | -0.08 |
| Oct | 4.38 | 4.48 | -0.10 |
| Nov | 3.23 | 3.35 | -0.12 |
| Dec | 3.96 | 4.21 | -0.25 |
47.58 | 48.91 | -1.33 |