| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.46 | 6.26 | 0.20 |
| Feb | 4.64 | 4.90 | -0.26 |
| Mar | 4.77 | 4.90 | -0.13 |
| Apr | 3.35 | 3.50 | -0.15 |
| May | 2.42 | 2.46 | -0.04 |
| Jun | 1.39 | 1.61 | -0.22 |
| Jul | 0.32 | 0.35 | -0.03 |
| Aug | 0.48 | 0.45 | 0.03 |
| Sep | 1.50 | 1.57 | -0.07 |
| Oct | 3.68 | 3.87 | -0.19 |
| Nov | 6.32 | 6.45 | -0.13 |
| Dec | 7.27 | 7.64 | -0.37 |
42.60 | 43.96 | -1.36 |