| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.84 | -0.05 |
| Feb | 2.30 | 2.44 | -0.14 |
| Mar | 3.10 | 3.18 | -0.08 |
| Apr | 4.17 | 4.29 | -0.12 |
| May | 4.49 | 4.60 | -0.11 |
| Jun | 5.03 | 4.96 | 0.07 |
| Jul | 4.05 | 4.19 | -0.14 |
| Aug | 3.35 | 3.05 | 0.30 |
| Sep | 3.18 | 3.25 | -0.07 |
| Oct | 3.12 | 3.10 | 0.02 |
| Nov | 3.37 | 3.46 | -0.09 |
| Dec | 2.71 | 2.83 | -0.12 |
41.66 | 42.19 | -0.53 |