| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 4.62 | -0.46 |
| Feb | 3.82 | 4.33 | -0.51 |
| Mar | 3.29 | 3.68 | -0.39 |
| Apr | 1.03 | 1.19 | -0.16 |
| May | 0.41 | 0.46 | -0.05 |
| Jun | 0.04 | 0.08 | -0.04 |
| Jul | 0.01 | 0.05 | -0.04 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.08 | 0.09 | -0.01 |
| Oct | 0.78 | 0.89 | -0.11 |
| Nov | 1.42 | 1.57 | -0.15 |
| Dec | 3.08 | 3.45 | -0.37 |
18.13 | 20.43 | -2.30 |