| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.47 | -0.15 |
| Feb | 3.03 | 3.01 | 0.02 |
| Mar | 4.02 | 4.09 | -0.07 |
| Apr | 4.86 | 4.95 | -0.09 |
| May | 5.11 | 5.09 | 0.02 |
| Jun | 4.70 | 4.79 | -0.09 |
| Jul | 4.29 | 4.03 | 0.26 |
| Aug | 3.37 | 3.32 | 0.05 |
| Sep | 3.25 | 3.30 | -0.05 |
| Oct | 3.40 | 3.38 | 0.02 |
| Nov | 3.33 | 3.36 | -0.03 |
| Dec | 3.79 | 3.83 | -0.04 |
46.47 | 46.62 | -0.15 |