| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.79 | -0.12 |
| Feb | 1.53 | 1.48 | 0.05 |
| Mar | 2.17 | 2.26 | -0.09 |
| Apr | 1.78 | 1.68 | 0.10 |
| May | 3.66 | 3.59 | 0.07 |
| Jun | 3.70 | 3.16 | 0.54 |
| Jul | 2.40 | 1.98 | 0.42 |
| Aug | 2.11 | 1.82 | 0.29 |
| Sep | 5.68 | 5.37 | 0.31 |
| Oct | 3.39 | 3.75 | -0.36 |
| Nov | 2.27 | 2.32 | -0.05 |
| Dec | 1.69 | 1.64 | 0.05 |
32.05 | 30.84 | 1.21 |