| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.66 | -0.12 |
| Feb | 1.64 | 1.65 | -0.01 |
| Mar | 1.77 | 1.82 | -0.05 |
| Apr | 1.68 | 1.81 | -0.13 |
| May | 1.63 | 1.73 | -0.10 |
| Jun | 0.90 | 0.91 | -0.01 |
| Jul | 2.34 | 2.37 | -0.03 |
| Aug | 2.51 | 2.70 | -0.19 |
| Sep | 2.46 | 2.51 | -0.05 |
| Oct | 1.82 | 1.73 | 0.09 |
| Nov | 1.59 | 1.70 | -0.11 |
| Dec | 1.54 | 1.44 | 0.10 |
21.42 | 22.03 | -0.61 |