| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.33 | 1.04 | 0.29 |
| Feb | 1.06 | 0.77 | 0.29 |
| Mar | 1.30 | 1.13 | 0.17 |
| Apr | 1.40 | 1.32 | 0.08 |
| May | 1.56 | 1.56 | 0.00 |
| Jun | 1.00 | 1.09 | -0.09 |
| Jul | 0.46 | 0.40 | 0.06 |
| Aug | 0.59 | 0.55 | 0.04 |
| Sep | 0.93 | 0.84 | 0.09 |
| Oct | 1.08 | 1.01 | 0.07 |
| Nov | 1.05 | 0.90 | 0.15 |
| Dec | 1.31 | 0.98 | 0.33 |
13.07 | 11.59 | 1.48 |