| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 1.69 | 0.33 |
| Feb | 1.88 | 1.51 | 0.37 |
| Mar | 1.57 | 1.39 | 0.18 |
| Apr | 1.27 | 1.10 | 0.17 |
| May | 1.27 | 1.23 | 0.04 |
| Jun | 0.60 | 0.57 | 0.03 |
| Jul | 1.88 | 1.78 | 0.10 |
| Aug | 2.29 | 2.12 | 0.17 |
| Sep | 2.25 | 2.08 | 0.17 |
| Oct | 1.79 | 1.52 | 0.27 |
| Nov | 1.55 | 1.35 | 0.20 |
| Dec | 1.79 | 1.38 | 0.41 |
20.16 | 17.72 | 2.44 |