| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.61 | 8.24 | 0.37 |
| Feb | 7.38 | 6.84 | 0.54 |
| Mar | 7.71 | 6.94 | 0.77 |
| Apr | 5.03 | 4.84 | 0.19 |
| May | 2.74 | 2.28 | 0.46 |
| Jun | 1.03 | 1.19 | -0.16 |
| Jul | 0.20 | 0.22 | -0.02 |
| Aug | 0.18 | 0.18 | 0.00 |
| Sep | 0.89 | 0.82 | 0.07 |
| Oct | 3.13 | 2.97 | 0.16 |
| Nov | 6.60 | 6.16 | 0.44 |
| Dec | 10.35 | 9.91 | 0.44 |
53.85 | 50.59 | 3.26 |