| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.53 | 4.66 | -0.13 |
| Feb | 3.59 | 3.79 | -0.20 |
| Mar | 4.70 | 5.04 | -0.34 |
| Apr | 5.25 | 5.42 | -0.17 |
| May | 5.42 | 5.06 | 0.36 |
| Jun | 5.38 | 5.43 | -0.05 |
| Jul | 5.42 | 5.55 | -0.13 |
| Aug | 5.14 | 5.02 | 0.12 |
| Sep | 5.36 | 5.37 | -0.01 |
| Oct | 4.42 | 4.41 | 0.01 |
| Nov | 4.31 | 4.52 | -0.21 |
| Dec | 4.41 | 4.57 | -0.16 |
57.93 | 58.84 | -0.91 |