| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.67 | 10.92 | -3.25 |
| Feb | 7.47 | 9.99 | -2.52 |
| Mar | 5.83 | 7.94 | -2.11 |
| Apr | 2.65 | 3.52 | -0.87 |
| May | 1.07 | 1.51 | -0.44 |
| Jun | 0.26 | 0.40 | -0.14 |
| Jul | 0.03 | 0.02 | 0.01 |
| Aug | 0.04 | 0.05 | -0.01 |
| Sep | 0.13 | 0.20 | -0.07 |
| Oct | 1.73 | 2.35 | -0.62 |
| Nov | 3.89 | 5.05 | -1.16 |
| Dec | 7.65 | 10.02 | -2.37 |
38.42 | 51.97 | -13.55 |