| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.03 | 5.22 | -0.19 |
| Feb | 5.03 | 5.40 | -0.37 |
| Mar | 5.29 | 5.41 | -0.12 |
| Apr | 4.32 | 4.46 | -0.14 |
| May | 4.08 | 3.98 | 0.10 |
| Jun | 4.58 | 4.94 | -0.36 |
| Jul | 4.81 | 4.90 | -0.09 |
| Aug | 4.18 | 4.38 | -0.20 |
| Sep | 3.63 | 3.58 | 0.05 |
| Oct | 3.09 | 3.11 | -0.02 |
| Nov | 3.98 | 4.05 | -0.07 |
| Dec | 5.26 | 5.34 | -0.08 |
53.28 | 54.77 | -1.49 |