| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.08 | 12.84 | -1.76 |
| Feb | 11.06 | 13.57 | -2.51 |
| Mar | 8.01 | 9.40 | -1.39 |
| Apr | 4.38 | 4.99 | -0.61 |
| May | 1.90 | 2.98 | -1.08 |
| Jun | 0.56 | 0.69 | -0.13 |
| Jul | 0.03 | 0.05 | -0.02 |
| Aug | 0.06 | 0.09 | -0.03 |
| Sep | 0.22 | 0.31 | -0.09 |
| Oct | 2.50 | 3.12 | -0.62 |
| Nov | 6.56 | 7.35 | -0.79 |
| Dec | 12.54 | 14.33 | -1.79 |
58.90 | 69.72 | -10.82 |