| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.61 | -0.11 |
| Feb | 0.60 | 0.69 | -0.09 |
| Mar | 1.18 | 1.48 | -0.30 |
| Apr | 2.04 | 2.50 | -0.46 |
| May | 2.29 | 2.22 | 0.07 |
| Jun | 2.12 | 2.15 | -0.03 |
| Jul | 3.41 | 3.09 | 0.32 |
| Aug | 2.92 | 3.31 | -0.39 |
| Sep | 1.44 | 1.81 | -0.37 |
| Oct | 1.03 | 1.05 | -0.02 |
| Nov | 0.69 | 0.82 | -0.13 |
| Dec | 0.49 | 0.62 | -0.13 |
18.71 | 20.35 | -1.64 |