| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.66 | 5.70 | -0.04 |
| Feb | 4.52 | 4.56 | -0.04 |
| Mar | 5.25 | 5.12 | 0.13 |
| Apr | 5.28 | 5.26 | 0.02 |
| May | 5.03 | 5.37 | -0.34 |
| Jun | 6.35 | 6.61 | -0.26 |
| Jul | 7.12 | 7.66 | -0.54 |
| Aug | 6.35 | 6.85 | -0.50 |
| Sep | 5.01 | 5.44 | -0.43 |
| Oct | 3.85 | 3.99 | -0.14 |
| Nov | 4.39 | 4.44 | -0.05 |
| Dec | 5.35 | 5.45 | -0.10 |
64.16 | 66.45 | -2.29 |