| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.07 | -0.10 |
| Feb | 2.42 | 2.40 | 0.02 |
| Mar | 3.19 | 3.26 | -0.07 |
| Apr | 3.69 | 3.70 | -0.01 |
| May | 4.05 | 3.96 | 0.09 |
| Jun | 4.53 | 4.36 | 0.17 |
| Jul | 4.08 | 4.01 | 0.07 |
| Aug | 3.68 | 3.49 | 0.19 |
| Sep | 3.61 | 3.51 | 0.10 |
| Oct | 3.05 | 3.01 | 0.04 |
| Nov | 2.80 | 2.91 | -0.11 |
| Dec | 2.98 | 3.02 | -0.04 |
41.05 | 40.70 | 0.35 |