| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.11 | 0.11 |
| Feb | 1.13 | 0.96 | 0.17 |
| Mar | 0.66 | 0.61 | 0.05 |
| Apr | 0.33 | 0.40 | -0.07 |
| May | 0.48 | 0.75 | -0.27 |
| Jun | 0.84 | 0.83 | 0.01 |
| Jul | 3.46 | 3.73 | -0.27 |
| Aug | 3.37 | 3.32 | 0.05 |
| Sep | 2.22 | 2.26 | -0.04 |
| Oct | 1.13 | 1.09 | 0.04 |
| Nov | 1.12 | 1.15 | -0.03 |
| Dec | 1.39 | 1.38 | 0.01 |
17.35 | 17.59 | -0.24 |