| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.63 | -0.11 |
| Feb | 0.57 | 0.62 | -0.05 |
| Mar | 0.91 | 0.95 | -0.04 |
| Apr | 1.82 | 2.20 | -0.38 |
| May | 2.78 | 3.01 | -0.23 |
| Jun | 2.39 | 2.69 | -0.30 |
| Jul | 1.28 | 1.36 | -0.08 |
| Aug | 0.97 | 1.01 | -0.04 |
| Sep | 1.25 | 1.31 | -0.06 |
| Oct | 1.40 | 1.48 | -0.08 |
| Nov | 0.70 | 0.75 | -0.05 |
| Dec | 0.61 | 0.70 | -0.09 |
15.20 | 16.71 | -1.51 |