| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.83 | -0.07 |
| Feb | 3.05 | 3.13 | -0.08 |
| Mar | 3.90 | 3.94 | -0.04 |
| Apr | 3.69 | 3.74 | -0.05 |
| May | 4.71 | 4.95 | -0.24 |
| Jun | 3.90 | 3.87 | 0.03 |
| Jul | 2.18 | 2.32 | -0.14 |
| Aug | 2.47 | 2.49 | -0.02 |
| Sep | 3.05 | 3.11 | -0.06 |
| Oct | 4.70 | 4.82 | -0.12 |
| Nov | 3.37 | 3.41 | -0.04 |
| Dec | 3.61 | 3.68 | -0.07 |
41.39 | 42.29 | -0.90 |