| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.18 | 5.31 | -0.13 |
| Feb | 4.84 | 4.97 | -0.13 |
| Mar | 5.25 | 5.24 | 0.01 |
| Apr | 4.33 | 4.51 | -0.18 |
| May | 4.11 | 4.05 | 0.06 |
| Jun | 4.74 | 4.91 | -0.17 |
| Jul | 4.25 | 4.16 | 0.09 |
| Aug | 5.18 | 5.52 | -0.34 |
| Sep | 4.39 | 4.49 | -0.10 |
| Oct | 4.31 | 4.54 | -0.23 |
| Nov | 4.20 | 4.25 | -0.05 |
| Dec | 5.37 | 5.45 | -0.08 |
56.15 | 57.40 | -1.25 |