| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.49 | -0.12 |
| Feb | 0.40 | 0.52 | -0.12 |
| Mar | 0.77 | 0.95 | -0.18 |
| Apr | 1.09 | 1.20 | -0.11 |
| May | 1.43 | 1.57 | -0.14 |
| Jun | 1.26 | 1.39 | -0.13 |
| Jul | 2.42 | 2.47 | -0.05 |
| Aug | 2.35 | 2.62 | -0.27 |
| Sep | 1.17 | 1.45 | -0.28 |
| Oct | 0.70 | 0.92 | -0.22 |
| Nov | 0.47 | 0.50 | -0.03 |
| Dec | 0.39 | 0.56 | -0.17 |
12.82 | 14.64 | -1.82 |