| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.42 | -0.06 |
| Feb | 2.81 | 2.82 | -0.01 |
| Mar | 3.97 | 3.95 | 0.02 |
| Apr | 3.49 | 3.53 | -0.04 |
| May | 4.00 | 4.02 | -0.02 |
| Jun | 4.44 | 4.41 | 0.03 |
| Jul | 4.88 | 4.93 | -0.05 |
| Aug | 4.74 | 4.79 | -0.05 |
| Sep | 4.66 | 4.68 | -0.02 |
| Oct | 3.88 | 3.94 | -0.06 |
| Nov | 3.15 | 3.08 | 0.07 |
| Dec | 3.57 | 3.61 | -0.04 |
46.95 | 47.18 | -0.23 |