| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.25 | 7.13 | 3.12 |
| Feb | 10.03 | 7.11 | 2.92 |
| Mar | 7.05 | 5.15 | 1.90 |
| Apr | 3.80 | 2.52 | 1.28 |
| May | 1.63 | 1.39 | 0.24 |
| Jun | 0.45 | 0.42 | 0.03 |
| Jul | 0.02 | 0.04 | -0.02 |
| Aug | 0.05 | 0.08 | -0.03 |
| Sep | 0.18 | 0.16 | 0.02 |
| Oct | 2.32 | 1.71 | 0.61 |
| Nov | 5.64 | 3.78 | 1.86 |
| Dec | 10.95 | 7.66 | 3.29 |
52.37 | 37.15 | 15.22 |