| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.27 | 0.03 |
| Feb | 2.09 | 2.11 | -0.02 |
| Mar | 2.74 | 2.70 | 0.04 |
| Apr | 2.51 | 2.59 | -0.08 |
| May | 3.68 | 3.78 | -0.10 |
| Jun | 8.68 | 8.96 | -0.28 |
| Jul | 7.73 | 7.96 | -0.23 |
| Aug | 7.89 | 7.97 | -0.08 |
| Sep | 6.85 | 7.12 | -0.27 |
| Oct | 3.23 | 3.30 | -0.07 |
| Nov | 1.81 | 1.75 | 0.06 |
| Dec | 2.03 | 2.07 | -0.04 |
51.54 | 52.58 | -1.04 |