| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 2.01 | -0.12 |
| Feb | 1.77 | 1.95 | -0.18 |
| Mar | 1.46 | 1.52 | -0.06 |
| Apr | 1.44 | 1.48 | -0.04 |
| May | 1.49 | 1.61 | -0.12 |
| Jun | 0.72 | 0.73 | -0.01 |
| Jul | 2.08 | 2.35 | -0.27 |
| Aug | 2.54 | 2.83 | -0.29 |
| Sep | 2.08 | 2.26 | -0.18 |
| Oct | 1.63 | 1.70 | -0.07 |
| Nov | 1.57 | 1.55 | 0.02 |
| Dec | 1.78 | 1.80 | -0.02 |
20.45 | 21.79 | -1.34 |