| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.61 | 1.20 | 0.41 |
| Feb | 1.13 | 0.97 | 0.16 |
| Mar | 0.81 | 0.68 | 0.13 |
| Apr | 0.82 | 0.73 | 0.09 |
| May | 1.16 | 1.07 | 0.09 |
| Jun | 0.73 | 0.71 | 0.02 |
| Jul | 0.34 | 0.36 | -0.02 |
| Aug | 0.40 | 0.37 | 0.03 |
| Sep | 0.41 | 0.36 | 0.05 |
| Oct | 0.92 | 0.73 | 0.19 |
| Nov | 1.36 | 1.14 | 0.22 |
| Dec | 1.83 | 1.58 | 0.25 |
11.52 | 9.90 | 1.62 |