| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.45 | 10.05 | -0.60 |
| Feb | 7.58 | 7.53 | 0.05 |
| Mar | 7.21 | 7.36 | -0.15 |
| Apr | 4.38 | 4.45 | -0.07 |
| May | 2.50 | 2.28 | 0.22 |
| Jun | 1.69 | 1.51 | 0.18 |
| Jul | 0.48 | 0.39 | 0.09 |
| Aug | 0.68 | 0.55 | 0.13 |
| Sep | 2.07 | 1.84 | 0.23 |
| Oct | 5.29 | 5.02 | 0.27 |
| Nov | 9.96 | 9.70 | 0.26 |
| Dec | 11.80 | 11.82 | -0.02 |
63.09 | 62.50 | 0.59 |