| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.62 | 8.21 | 0.41 |
| Feb | 6.66 | 6.34 | 0.32 |
| Mar | 7.71 | 7.29 | 0.42 |
| Apr | 6.02 | 5.58 | 0.44 |
| May | 4.29 | 4.11 | 0.18 |
| Jun | 2.87 | 2.84 | 0.03 |
| Jul | 0.63 | 0.59 | 0.04 |
| Aug | 0.79 | 0.68 | 0.11 |
| Sep | 2.38 | 2.21 | 0.17 |
| Oct | 5.80 | 5.37 | 0.43 |
| Nov | 9.06 | 8.36 | 0.70 |
| Dec | 10.01 | 9.91 | 0.10 |
64.84 | 61.49 | 3.35 |