| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 13.51 | 14.11 | -0.60 |
| Feb | 10.28 | 10.99 | -0.71 |
| Mar | 10.92 | 12.18 | -1.26 |
| Apr | 7.40 | 8.43 | -1.03 |
| May | 3.61 | 4.17 | -0.56 |
| Jun | 1.85 | 2.29 | -0.44 |
| Jul | 0.29 | 0.42 | -0.13 |
| Aug | 0.52 | 0.81 | -0.29 |
| Sep | 1.65 | 1.77 | -0.12 |
| Oct | 5.53 | 5.85 | -0.32 |
| Nov | 11.06 | 11.85 | -0.79 |
| Dec | 15.39 | 15.79 | -0.40 |
82.01 | 88.66 | -6.65 |