| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.50 | 0.15 |
| Feb | 0.68 | 0.56 | 0.12 |
| Mar | 1.39 | 1.13 | 0.26 |
| Apr | 2.18 | 1.97 | 0.21 |
| May | 2.40 | 2.39 | 0.01 |
| Jun | 1.97 | 1.69 | 0.28 |
| Jul | 3.08 | 2.71 | 0.37 |
| Aug | 2.70 | 2.87 | -0.17 |
| Sep | 1.50 | 1.60 | -0.10 |
| Oct | 1.05 | 0.82 | 0.23 |
| Nov | 0.77 | 0.73 | 0.04 |
| Dec | 0.60 | 0.48 | 0.12 |
18.97 | 17.45 | 1.52 |