| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.27 | 0.27 | 0.00 |
| Feb | 0.39 | 0.44 | -0.05 |
| Mar | 0.77 | 0.86 | -0.09 |
| Apr | 1.56 | 1.67 | -0.11 |
| May | 2.60 | 2.86 | -0.26 |
| Jun | 2.10 | 2.18 | -0.08 |
| Jul | 1.62 | 1.69 | -0.07 |
| Aug | 1.20 | 1.18 | 0.02 |
| Sep | 1.23 | 1.23 | 0.00 |
| Oct | 1.10 | 1.17 | -0.07 |
| Nov | 0.41 | 0.48 | -0.07 |
| Dec | 0.35 | 0.40 | -0.05 |
13.60 | 14.43 | -0.83 |