| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.39 | -0.17 |
| Feb | 2.51 | 2.69 | -0.18 |
| Mar | 3.66 | 3.89 | -0.23 |
| Apr | 3.49 | 3.79 | -0.30 |
| May | 3.65 | 3.73 | -0.08 |
| Jun | 4.19 | 4.72 | -0.53 |
| Jul | 4.71 | 4.97 | -0.26 |
| Aug | 4.38 | 4.35 | 0.03 |
| Sep | 4.70 | 4.82 | -0.12 |
| Oct | 4.06 | 4.36 | -0.30 |
| Nov | 3.09 | 3.29 | -0.20 |
| Dec | 3.69 | 3.98 | -0.29 |
45.35 | 47.98 | -2.63 |