| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.17 | -0.13 |
| Feb | 2.57 | 2.65 | -0.08 |
| Mar | 3.19 | 3.16 | 0.03 |
| Apr | 2.62 | 2.65 | -0.03 |
| May | 2.90 | 3.22 | -0.32 |
| Jun | 7.86 | 7.88 | -0.02 |
| Jul | 8.54 | 9.01 | -0.47 |
| Aug | 8.30 | 8.29 | 0.01 |
| Sep | 6.00 | 6.19 | -0.19 |
| Oct | 2.54 | 2.51 | 0.03 |
| Nov | 1.79 | 1.84 | -0.05 |
| Dec | 2.38 | 2.39 | -0.01 |
51.73 | 52.96 | -1.23 |