| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.17 | 2.57 | -0.40 |
| Feb | 1.76 | 2.03 | -0.27 |
| Mar | 2.02 | 2.36 | -0.34 |
| Apr | 3.28 | 3.54 | -0.26 |
| May | 4.17 | 4.04 | 0.13 |
| Jun | 3.85 | 3.73 | 0.12 |
| Jul | 3.57 | 3.52 | 0.05 |
| Aug | 3.65 | 3.68 | -0.03 |
| Sep | 3.20 | 3.14 | 0.06 |
| Oct | 3.65 | 3.69 | -0.04 |
| Nov | 2.57 | 2.83 | -0.26 |
| Dec | 2.07 | 2.39 | -0.32 |
35.96 | 37.52 | -1.56 |