| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.63 | -0.17 |
| Feb | 2.02 | 2.15 | -0.13 |
| Mar | 2.40 | 2.55 | -0.15 |
| Apr | 3.10 | 3.12 | -0.02 |
| May | 3.19 | 3.00 | 0.19 |
| Jun | 3.39 | 3.17 | 0.22 |
| Jul | 3.38 | 3.32 | 0.06 |
| Aug | 3.24 | 2.95 | 0.29 |
| Sep | 3.39 | 3.36 | 0.03 |
| Oct | 3.52 | 3.46 | 0.06 |
| Nov | 2.87 | 2.82 | 0.05 |
| Dec | 2.78 | 2.85 | -0.07 |
35.74 | 35.38 | 0.36 |