| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.36 | 9.90 | 0.46 |
| Feb | 8.21 | 7.56 | 0.65 |
| Mar | 8.40 | 7.23 | 1.17 |
| Apr | 5.73 | 5.61 | 0.12 |
| May | 3.31 | 3.18 | 0.13 |
| Jun | 2.00 | 2.04 | -0.04 |
| Jul | 0.48 | 0.44 | 0.04 |
| Aug | 0.60 | 0.58 | 0.02 |
| Sep | 2.07 | 2.01 | 0.06 |
| Oct | 5.79 | 5.42 | 0.37 |
| Nov | 10.16 | 9.91 | 0.25 |
| Dec | 12.46 | 11.94 | 0.52 |
69.57 | 65.82 | 3.75 |