| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.56 | -0.04 |
| Feb | 2.07 | 2.10 | -0.03 |
| Mar | 2.67 | 2.61 | 0.06 |
| Apr | 3.79 | 3.64 | 0.15 |
| May | 4.27 | 4.29 | -0.02 |
| Jun | 4.85 | 4.82 | 0.03 |
| Jul | 4.14 | 4.18 | -0.04 |
| Aug | 3.90 | 3.98 | -0.08 |
| Sep | 3.10 | 3.06 | 0.04 |
| Oct | 3.06 | 2.94 | 0.12 |
| Nov | 3.02 | 2.99 | 0.03 |
| Dec | 2.46 | 2.39 | 0.07 |
39.85 | 39.56 | 0.29 |