| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.73 | 16.90 | -5.17 |
| Feb | 10.17 | 13.99 | -3.82 |
| Mar | 8.80 | 13.39 | -4.59 |
| Apr | 5.09 | 6.44 | -1.35 |
| May | 2.25 | 2.98 | -0.73 |
| Jun | 0.74 | 0.87 | -0.13 |
| Jul | 0.06 | 0.09 | -0.03 |
| Aug | 0.15 | 0.10 | 0.05 |
| Sep | 0.54 | 0.70 | -0.16 |
| Oct | 3.37 | 4.16 | -0.79 |
| Nov | 7.40 | 9.38 | -1.98 |
| Dec | 13.26 | 18.49 | -5.23 |
63.56 | 87.49 | -23.93 |