| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.29 | 10.20 | -1.91 |
| Feb | 7.67 | 9.40 | -1.73 |
| Mar | 5.99 | 7.04 | -1.05 |
| Apr | 2.69 | 3.11 | -0.42 |
| May | 1.07 | 1.22 | -0.15 |
| Jun | 0.25 | 0.33 | -0.08 |
| Jul | 0.03 | 0.01 | 0.02 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.11 | 0.15 | -0.04 |
| Oct | 1.68 | 1.98 | -0.30 |
| Nov | 3.95 | 4.59 | -0.64 |
| Dec | 8.10 | 9.66 | -1.56 |
39.86 | 47.73 | -7.87 |