| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 4.82 | -0.14 |
| Feb | 4.80 | 4.86 | -0.06 |
| Mar | 4.96 | 5.26 | -0.30 |
| Apr | 4.35 | 4.39 | -0.04 |
| May | 3.35 | 3.62 | -0.27 |
| Jun | 4.43 | 4.30 | 0.13 |
| Jul | 4.82 | 4.84 | -0.02 |
| Aug | 4.34 | 4.27 | 0.07 |
| Sep | 3.55 | 3.56 | -0.01 |
| Oct | 2.99 | 3.36 | -0.37 |
| Nov | 4.09 | 4.02 | 0.07 |
| Dec | 5.10 | 5.11 | -0.01 |
51.46 | 52.41 | -0.95 |