| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 12.28 | 12.12 | 0.16 |
| Feb | 8.50 | 8.09 | 0.41 |
| Mar | 9.03 | 9.00 | 0.03 |
| Apr | 6.89 | 6.41 | 0.48 |
| May | 3.97 | 3.66 | 0.31 |
| Jun | 2.75 | 2.69 | 0.06 |
| Jul | 0.96 | 0.94 | 0.02 |
| Aug | 1.27 | 1.23 | 0.04 |
| Sep | 3.08 | 2.81 | 0.27 |
| Oct | 7.43 | 7.19 | 0.24 |
| Nov | 12.37 | 12.54 | -0.17 |
| Dec | 12.91 | 12.49 | 0.42 |
81.44 | 79.17 | 2.27 |