| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 13.34 | 13.63 | -0.29 |
| Feb | 11.29 | 11.80 | -0.51 |
| Mar | 9.68 | 10.77 | -1.09 |
| Apr | 5.43 | 5.12 | 0.31 |
| May | 2.16 | 2.39 | -0.23 |
| Jun | 0.60 | 0.85 | -0.25 |
| Jul | 0.08 | 0.10 | -0.02 |
| Aug | 0.13 | 0.10 | 0.03 |
| Sep | 0.60 | 0.80 | -0.20 |
| Oct | 3.70 | 3.18 | 0.52 |
| Nov | 8.83 | 8.35 | 0.48 |
| Dec | 14.97 | 15.55 | -0.58 |
70.81 | 72.64 | -1.83 |