| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.26 | 7.87 | -0.61 |
| Feb | 4.73 | 5.27 | -0.54 |
| Mar | 5.33 | 5.81 | -0.48 |
| Apr | 3.55 | 3.88 | -0.33 |
| May | 2.17 | 2.32 | -0.15 |
| Jun | 1.42 | 1.62 | -0.20 |
| Jul | 0.56 | 0.58 | -0.02 |
| Aug | 0.90 | 0.97 | -0.07 |
| Sep | 1.84 | 1.98 | -0.14 |
| Oct | 4.62 | 5.03 | -0.41 |
| Nov | 7.66 | 8.38 | -0.72 |
| Dec | 7.48 | 8.01 | -0.53 |
47.52 | 51.72 | -4.20 |