| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.23 | 0.28 | -0.05 |
| Feb | 0.28 | 0.31 | -0.03 |
| Mar | 0.71 | 0.73 | -0.02 |
| Apr | 1.34 | 1.42 | -0.08 |
| May | 2.26 | 2.52 | -0.26 |
| Jun | 2.27 | 2.21 | 0.06 |
| Jul | 2.38 | 2.28 | 0.10 |
| Aug | 1.96 | 1.89 | 0.07 |
| Sep | 1.17 | 1.13 | 0.04 |
| Oct | 1.05 | 1.03 | 0.02 |
| Nov | 0.42 | 0.44 | -0.02 |
| Dec | 0.28 | 0.30 | -0.02 |
14.35 | 14.54 | -0.19 |