| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.42 | -0.03 |
| Feb | 0.40 | 0.45 | -0.05 |
| Mar | 0.59 | 0.83 | -0.24 |
| Apr | 1.14 | 1.19 | -0.05 |
| May | 1.44 | 1.56 | -0.12 |
| Jun | 0.89 | 0.89 | 0.00 |
| Jul | 0.74 | 0.71 | 0.03 |
| Aug | 0.64 | 0.63 | 0.01 |
| Sep | 0.89 | 0.77 | 0.12 |
| Oct | 0.79 | 0.87 | -0.08 |
| Nov | 0.52 | 0.55 | -0.03 |
| Dec | 0.39 | 0.52 | -0.13 |
8.82 | 9.39 | -0.57 |