| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.71 | -0.02 |
| Feb | 3.07 | 3.17 | -0.10 |
| Mar | 3.78 | 3.95 | -0.17 |
| Apr | 3.26 | 3.45 | -0.19 |
| May | 3.43 | 3.33 | 0.10 |
| Jun | 4.03 | 4.29 | -0.26 |
| Jul | 3.86 | 3.91 | -0.05 |
| Aug | 4.15 | 4.37 | -0.22 |
| Sep | 3.68 | 3.94 | -0.26 |
| Oct | 3.05 | 3.22 | -0.17 |
| Nov | 3.10 | 3.26 | -0.16 |
| Dec | 3.69 | 3.82 | -0.13 |
42.79 | 44.42 | -1.63 |