| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.46 | -0.04 |
| Feb | 0.46 | 0.54 | -0.08 |
| Mar | 0.72 | 0.94 | -0.22 |
| Apr | 1.66 | 1.75 | -0.09 |
| May | 2.88 | 2.68 | 0.20 |
| Jun | 2.53 | 2.42 | 0.11 |
| Jul | 1.84 | 1.59 | 0.25 |
| Aug | 1.28 | 1.48 | -0.20 |
| Sep | 1.08 | 1.11 | -0.03 |
| Oct | 1.34 | 1.43 | -0.09 |
| Nov | 0.42 | 0.49 | -0.07 |
| Dec | 0.40 | 0.51 | -0.11 |
15.03 | 15.40 | -0.37 |