| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.33 | -0.37 |
| Feb | 0.95 | 1.29 | -0.34 |
| Mar | 1.14 | 1.44 | -0.30 |
| Apr | 1.53 | 1.68 | -0.15 |
| May | 1.53 | 1.67 | -0.14 |
| Jun | 0.84 | 0.88 | -0.04 |
| Jul | 1.27 | 1.17 | 0.10 |
| Aug | 1.42 | 1.37 | 0.05 |
| Sep | 1.64 | 1.77 | -0.13 |
| Oct | 1.44 | 1.68 | -0.24 |
| Nov | 1.08 | 1.25 | -0.17 |
| Dec | 0.92 | 1.15 | -0.23 |
14.72 | 16.68 | -1.96 |