| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.60 | 0.01 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 1.41 | 1.37 | 0.04 |
| Apr | 1.95 | 1.89 | 0.06 |
| May | 3.08 | 3.10 | -0.02 |
| Jun | 3.56 | 3.39 | 0.17 |
| Jul | 3.26 | 3.08 | 0.18 |
| Aug | 3.00 | 3.05 | -0.05 |
| Sep | 1.54 | 1.50 | 0.04 |
| Oct | 2.03 | 1.94 | 0.09 |
| Nov | 0.82 | 0.77 | 0.05 |
| Dec | 0.92 | 0.90 | 0.02 |
22.82 | 22.20 | 0.62 |