| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 12.05 | 12.14 | -0.09 |
| Feb | 8.99 | 9.71 | -0.72 |
| Mar | 9.51 | 10.53 | -1.02 |
| Apr | 6.50 | 7.39 | -0.89 |
| May | 3.51 | 3.55 | -0.04 |
| Jun | 1.66 | 1.93 | -0.27 |
| Jul | 0.28 | 0.32 | -0.04 |
| Aug | 0.38 | 0.42 | -0.04 |
| Sep | 1.27 | 1.46 | -0.19 |
| Oct | 4.91 | 5.15 | -0.24 |
| Nov | 9.23 | 10.23 | -1.00 |
| Dec | 13.33 | 14.71 | -1.38 |
71.62 | 77.54 | -5.92 |