| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.04 | 7.49 | -0.45 |
| Feb | 6.29 | 6.66 | -0.37 |
| Mar | 6.11 | 6.28 | -0.17 |
| Apr | 3.28 | 3.62 | -0.34 |
| May | 1.70 | 2.08 | -0.38 |
| Jun | 0.44 | 0.57 | -0.13 |
| Jul | 0.03 | 0.10 | -0.07 |
| Aug | 0.04 | 0.06 | -0.02 |
| Sep | 0.26 | 0.22 | 0.04 |
| Oct | 1.99 | 2.10 | -0.11 |
| Nov | 3.83 | 3.89 | -0.06 |
| Dec | 6.48 | 7.18 | -0.70 |
37.49 | 40.25 | -2.76 |