| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.54 | 5.61 | -0.07 |
| Feb | 4.38 | 4.43 | -0.05 |
| Mar | 5.20 | 5.05 | 0.15 |
| Apr | 5.29 | 5.41 | -0.12 |
| May | 5.01 | 5.51 | -0.50 |
| Jun | 6.40 | 6.79 | -0.39 |
| Jul | 7.30 | 7.95 | -0.65 |
| Aug | 6.65 | 7.13 | -0.48 |
| Sep | 5.16 | 5.61 | -0.45 |
| Oct | 3.97 | 4.09 | -0.12 |
| Nov | 4.33 | 4.46 | -0.13 |
| Dec | 5.23 | 5.45 | -0.22 |
64.46 | 67.49 | -3.03 |