| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.14 | 13.61 | -2.47 |
| Feb | 8.42 | 10.70 | -2.28 |
| Mar | 8.68 | 10.55 | -1.87 |
| Apr | 6.24 | 7.39 | -1.15 |
| May | 3.63 | 4.28 | -0.65 |
| Jun | 2.26 | 2.80 | -0.54 |
| Jul | 0.51 | 0.61 | -0.10 |
| Aug | 0.63 | 0.73 | -0.10 |
| Sep | 2.15 | 2.38 | -0.23 |
| Oct | 6.01 | 6.46 | -0.45 |
| Nov | 10.56 | 12.95 | -2.39 |
| Dec | 12.79 | 15.51 | -2.72 |
73.02 | 87.97 | -14.95 |