| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 1.02 | -0.10 |
| Feb | 0.81 | 0.92 | -0.11 |
| Mar | 0.77 | 0.75 | 0.02 |
| Apr | 0.74 | 0.79 | -0.05 |
| May | 0.72 | 0.71 | 0.01 |
| Jun | 0.31 | 0.36 | -0.05 |
| Jul | 1.05 | 1.05 | 0.00 |
| Aug | 1.37 | 1.40 | -0.03 |
| Sep | 1.36 | 1.16 | 0.20 |
| Oct | 1.06 | 1.23 | -0.17 |
| Nov | 0.77 | 0.78 | -0.01 |
| Dec | 0.78 | 0.89 | -0.11 |
10.66 | 11.06 | -0.40 |