| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.46 | 10.15 | -0.69 |
| Feb | 8.28 | 8.47 | -0.19 |
| Mar | 6.96 | 6.76 | 0.20 |
| Apr | 3.31 | 3.93 | -0.62 |
| May | 1.61 | 1.99 | -0.38 |
| Jun | 0.45 | 0.57 | -0.12 |
| Jul | 0.02 | 0.04 | -0.02 |
| Aug | 0.07 | 0.05 | 0.02 |
| Sep | 0.26 | 0.29 | -0.03 |
| Oct | 2.29 | 2.47 | -0.18 |
| Nov | 5.14 | 5.49 | -0.35 |
| Dec | 9.87 | 10.18 | -0.31 |
47.72 | 50.39 | -2.67 |