| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.32 | 0.28 | 0.04 |
| Feb | 0.43 | 0.43 | 0.00 |
| Mar | 0.87 | 0.84 | 0.03 |
| Apr | 1.61 | 1.65 | -0.04 |
| May | 2.59 | 2.78 | -0.19 |
| Jun | 2.36 | 2.49 | -0.13 |
| Jul | 2.12 | 2.17 | -0.05 |
| Aug | 1.56 | 1.66 | -0.10 |
| Sep | 1.40 | 1.46 | -0.06 |
| Oct | 1.07 | 0.97 | 0.10 |
| Nov | 0.55 | 0.52 | 0.03 |
| Dec | 0.37 | 0.40 | -0.03 |
15.25 | 15.65 | -0.40 |