| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.35 | -0.01 |
| Feb | 1.37 | 1.53 | -0.16 |
| Mar | 1.18 | 1.27 | -0.09 |
| Apr | 0.46 | 0.49 | -0.03 |
| May | 0.40 | 0.39 | 0.01 |
| Jun | 0.22 | 0.32 | -0.10 |
| Jul | 1.88 | 2.32 | -0.44 |
| Aug | 2.47 | 2.39 | 0.08 |
| Sep | 1.34 | 1.62 | -0.28 |
| Oct | 0.84 | 0.91 | -0.07 |
| Nov | 0.77 | 0.75 | 0.02 |
| Dec | 1.30 | 1.23 | 0.07 |
13.57 | 14.57 | -1.00 |