| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 13.16 | 13.53 | -0.37 |
| Feb | 10.08 | 10.62 | -0.54 |
| Mar | 10.82 | 11.61 | -0.79 |
| Apr | 7.44 | 7.98 | -0.54 |
| May | 3.64 | 3.94 | -0.30 |
| Jun | 1.96 | 2.07 | -0.11 |
| Jul | 0.32 | 0.35 | -0.03 |
| Aug | 0.50 | 0.62 | -0.12 |
| Sep | 1.64 | 1.54 | 0.10 |
| Oct | 5.63 | 5.60 | 0.03 |
| Nov | 10.87 | 11.44 | -0.57 |
| Dec | 15.09 | 15.23 | -0.14 |
81.15 | 84.53 | -3.38 |