| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.68 | -0.11 |
| Feb | 0.52 | 0.54 | -0.02 |
| Mar | 1.17 | 1.25 | -0.08 |
| Apr | 1.73 | 1.90 | -0.17 |
| May | 2.36 | 2.64 | -0.28 |
| Jun | 2.82 | 2.70 | 0.12 |
| Jul | 2.55 | 2.49 | 0.06 |
| Aug | 2.79 | 3.24 | -0.45 |
| Sep | 1.68 | 1.71 | -0.03 |
| Oct | 1.77 | 1.66 | 0.11 |
| Nov | 0.73 | 0.81 | -0.08 |
| Dec | 0.71 | 0.82 | -0.11 |
19.40 | 20.44 | -1.04 |