| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.56 | -0.21 |
| Feb | 2.79 | 2.83 | -0.04 |
| Mar | 4.02 | 4.35 | -0.33 |
| Apr | 3.70 | 3.66 | 0.04 |
| May | 3.70 | 3.84 | -0.14 |
| Jun | 4.23 | 4.26 | -0.03 |
| Jul | 4.68 | 4.72 | -0.04 |
| Aug | 4.33 | 4.72 | -0.39 |
| Sep | 4.05 | 4.16 | -0.11 |
| Oct | 3.77 | 4.04 | -0.27 |
| Nov | 3.21 | 3.25 | -0.04 |
| Dec | 4.12 | 4.37 | -0.25 |
45.95 | 47.76 | -1.81 |