| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.87 | -0.12 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.55 | 1.59 | -0.04 |
| Apr | 2.96 | 2.95 | 0.01 |
| May | 4.22 | 4.22 | 0.00 |
| Jun | 4.79 | 4.50 | 0.29 |
| Jul | 4.10 | 4.13 | -0.03 |
| Aug | 4.34 | 4.47 | -0.13 |
| Sep | 3.34 | 3.27 | 0.07 |
| Oct | 2.59 | 2.55 | 0.04 |
| Nov | 1.51 | 1.56 | -0.05 |
| Dec | 1.05 | 1.22 | -0.17 |
31.97 | 32.22 | -0.25 |