| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.61 | 0.00 |
| Feb | 0.59 | 0.60 | -0.01 |
| Mar | 0.96 | 0.98 | -0.02 |
| Apr | 1.73 | 1.70 | 0.03 |
| May | 3.05 | 3.10 | -0.05 |
| Jun | 3.95 | 4.28 | -0.33 |
| Jul | 3.37 | 3.30 | 0.07 |
| Aug | 2.74 | 2.47 | 0.27 |
| Sep | 2.55 | 2.53 | 0.02 |
| Oct | 2.11 | 2.20 | -0.09 |
| Nov | 0.73 | 0.77 | -0.04 |
| Dec | 0.68 | 0.72 | -0.04 |
23.07 | 23.26 | -0.19 |