| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.38 | -0.27 |
| Feb | 1.35 | 1.73 | -0.38 |
| Mar | 1.11 | 1.32 | -0.21 |
| Apr | 0.95 | 1.13 | -0.18 |
| May | 1.01 | 1.06 | -0.05 |
| Jun | 0.70 | 0.77 | -0.07 |
| Jul | 0.30 | 0.29 | 0.01 |
| Aug | 0.38 | 0.42 | -0.04 |
| Sep | 0.44 | 0.47 | -0.03 |
| Oct | 1.08 | 1.21 | -0.13 |
| Nov | 1.84 | 1.98 | -0.14 |
| Dec | 2.55 | 3.01 | -0.46 |
13.82 | 15.77 | -1.95 |