| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.88 | -0.78 |
| Feb | 3.49 | 4.40 | -0.91 |
| Mar | 2.25 | 3.08 | -0.83 |
| Apr | 0.66 | 0.86 | -0.20 |
| May | 0.28 | 0.39 | -0.11 |
| Jun | 0.05 | 0.05 | 0.00 |
| Jul | 0.02 | 0.04 | -0.02 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.07 | 0.07 | 0.00 |
| Oct | 0.50 | 0.61 | -0.11 |
| Nov | 0.86 | 0.83 | 0.03 |
| Dec | 2.52 | 2.89 | -0.37 |
13.81 | 17.10 | -3.29 |