| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.35 | 11.86 | -0.51 |
| Feb | 8.79 | 9.59 | -0.80 |
| Mar | 9.37 | 10.31 | -0.94 |
| Apr | 6.62 | 7.11 | -0.49 |
| May | 3.40 | 3.39 | 0.01 |
| Jun | 1.54 | 1.71 | -0.17 |
| Jul | 0.26 | 0.29 | -0.03 |
| Aug | 0.38 | 0.39 | -0.01 |
| Sep | 1.24 | 1.35 | -0.11 |
| Oct | 4.77 | 4.97 | -0.20 |
| Nov | 9.10 | 9.72 | -0.62 |
| Dec | 13.58 | 14.29 | -0.71 |
70.40 | 74.98 | -4.58 |