| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.35 | 12.14 | -2.79 |
| Feb | 6.98 | 9.20 | -2.22 |
| Mar | 8.35 | 10.25 | -1.90 |
| Apr | 6.28 | 8.23 | -1.95 |
| May | 5.29 | 6.69 | -1.40 |
| Jun | 3.82 | 4.80 | -0.98 |
| Jul | 0.86 | 1.11 | -0.25 |
| Aug | 1.13 | 1.21 | -0.08 |
| Sep | 2.88 | 3.59 | -0.71 |
| Oct | 6.93 | 8.32 | -1.39 |
| Nov | 9.61 | 12.25 | -2.64 |
| Dec | 10.22 | 14.18 | -3.96 |
71.70 | 91.97 | -20.27 |