| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.34 | 5.39 | -0.05 |
| Feb | 5.30 | 5.41 | -0.11 |
| Mar | 5.53 | 5.51 | 0.02 |
| Apr | 5.15 | 5.42 | -0.27 |
| May | 4.63 | 4.79 | -0.16 |
| Jun | 4.71 | 5.06 | -0.35 |
| Jul | 4.57 | 4.78 | -0.21 |
| Aug | 4.25 | 4.04 | 0.21 |
| Sep | 3.88 | 4.21 | -0.33 |
| Oct | 3.49 | 3.51 | -0.02 |
| Nov | 4.24 | 4.36 | -0.12 |
| Dec | 5.29 | 5.40 | -0.11 |
56.38 | 57.88 | -1.50 |