| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.37 | 5.58 | -0.21 |
| Feb | 4.25 | 4.43 | -0.18 |
| Mar | 5.10 | 5.08 | 0.02 |
| Apr | 5.17 | 5.40 | -0.23 |
| May | 4.92 | 5.39 | -0.47 |
| Jun | 6.30 | 6.55 | -0.25 |
| Jul | 7.30 | 7.84 | -0.54 |
| Aug | 6.82 | 6.92 | -0.10 |
| Sep | 5.17 | 5.47 | -0.30 |
| Oct | 3.97 | 4.11 | -0.14 |
| Nov | 4.20 | 4.42 | -0.22 |
| Dec | 5.05 | 5.40 | -0.35 |
63.62 | 66.59 | -2.97 |