| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.34 | -0.03 |
| Feb | 0.34 | 0.37 | -0.03 |
| Mar | 0.84 | 1.02 | -0.18 |
| Apr | 1.73 | 1.84 | -0.11 |
| May | 2.29 | 2.65 | -0.36 |
| Jun | 1.73 | 1.65 | 0.08 |
| Jul | 1.61 | 1.54 | 0.07 |
| Aug | 1.41 | 1.28 | 0.13 |
| Sep | 1.24 | 1.19 | 0.05 |
| Oct | 1.06 | 1.10 | -0.04 |
| Nov | 0.61 | 0.57 | 0.04 |
| Dec | 0.32 | 0.37 | -0.05 |
13.49 | 13.92 | -0.43 |