| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.33 | 0.03 |
| Feb | 0.21 | 0.28 | -0.07 |
| Mar | 0.51 | 0.50 | 0.01 |
| Apr | 0.96 | 0.88 | 0.08 |
| May | 2.22 | 2.17 | 0.05 |
| Jun | 2.96 | 3.08 | -0.12 |
| Jul | 2.35 | 2.81 | -0.46 |
| Aug | 1.42 | 1.52 | -0.10 |
| Sep | 1.19 | 1.26 | -0.07 |
| Oct | 0.84 | 0.84 | 0.00 |
| Nov | 0.46 | 0.44 | 0.02 |
| Dec | 0.39 | 0.39 | 0.00 |
13.87 | 14.50 | -0.63 |