| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.12 | -0.10 |
| Feb | 2.56 | 2.69 | -0.13 |
| Mar | 3.33 | 3.27 | 0.06 |
| Apr | 3.42 | 3.48 | -0.06 |
| May | 3.71 | 3.77 | -0.06 |
| Jun | 4.48 | 4.23 | 0.25 |
| Jul | 4.39 | 4.49 | -0.10 |
| Aug | 4.57 | 4.63 | -0.06 |
| Sep | 4.53 | 4.42 | 0.11 |
| Oct | 4.50 | 4.42 | 0.08 |
| Nov | 3.34 | 3.29 | 0.05 |
| Dec | 3.66 | 3.96 | -0.30 |
45.51 | 45.77 | -0.26 |