| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.38 | -0.27 |
| Feb | 2.53 | 2.96 | -0.43 |
| Mar | 3.32 | 3.67 | -0.35 |
| Apr | 3.43 | 4.02 | -0.59 |
| May | 3.79 | 4.03 | -0.24 |
| Jun | 4.56 | 4.89 | -0.33 |
| Jul | 4.31 | 4.62 | -0.31 |
| Aug | 4.23 | 4.96 | -0.73 |
| Sep | 4.51 | 4.68 | -0.17 |
| Oct | 4.40 | 4.77 | -0.37 |
| Nov | 3.39 | 3.81 | -0.42 |
| Dec | 3.66 | 4.17 | -0.51 |
45.24 | 49.96 | -4.72 |