| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.52 | 0.03 |
| Feb | 0.71 | 0.65 | 0.06 |
| Mar | 1.09 | 1.06 | 0.03 |
| Apr | 2.63 | 2.54 | 0.09 |
| May | 3.30 | 3.37 | -0.07 |
| Jun | 3.76 | 3.79 | -0.03 |
| Jul | 2.96 | 3.01 | -0.05 |
| Aug | 2.72 | 2.72 | 0.00 |
| Sep | 2.39 | 2.36 | 0.03 |
| Oct | 1.98 | 2.02 | -0.04 |
| Nov | 0.76 | 0.77 | -0.01 |
| Dec | 0.63 | 0.61 | 0.02 |
23.48 | 23.42 | 0.06 |