| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.19 | 8.09 | -0.90 |
| Feb | 6.83 | 7.34 | -0.51 |
| Mar | 6.30 | 6.93 | -0.63 |
| Apr | 3.97 | 3.95 | 0.02 |
| May | 2.36 | 2.41 | -0.05 |
| Jun | 0.74 | 0.71 | 0.03 |
| Jul | 0.07 | 0.04 | 0.03 |
| Aug | 0.07 | 0.09 | -0.02 |
| Sep | 0.38 | 0.37 | 0.01 |
| Oct | 1.92 | 2.41 | -0.49 |
| Nov | 4.34 | 4.57 | -0.23 |
| Dec | 7.35 | 7.81 | -0.46 |
41.52 | 44.72 | -3.20 |