| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.70 | 11.48 | -0.78 |
| Feb | 7.54 | 8.06 | -0.52 |
| Mar | 7.56 | 8.08 | -0.52 |
| Apr | 5.05 | 5.32 | -0.27 |
| May | 2.54 | 2.47 | 0.07 |
| Jun | 1.44 | 1.41 | 0.03 |
| Jul | 0.30 | 0.25 | 0.05 |
| Aug | 0.47 | 0.46 | 0.01 |
| Sep | 1.65 | 1.76 | -0.11 |
| Oct | 4.98 | 5.22 | -0.24 |
| Nov | 9.87 | 10.27 | -0.40 |
| Dec | 12.48 | 13.23 | -0.75 |
64.58 | 68.01 | -3.43 |