| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.17 | 10.92 | 0.25 |
| Feb | 8.21 | 7.73 | 0.48 |
| Mar | 8.56 | 8.18 | 0.38 |
| Apr | 6.05 | 5.78 | 0.27 |
| May | 3.59 | 3.48 | 0.11 |
| Jun | 2.41 | 2.38 | 0.03 |
| Jul | 0.56 | 0.68 | -0.12 |
| Aug | 0.70 | 0.82 | -0.12 |
| Sep | 2.15 | 1.98 | 0.17 |
| Oct | 6.06 | 5.67 | 0.39 |
| Nov | 10.25 | 9.86 | 0.39 |
| Dec | 12.23 | 12.11 | 0.12 |
71.94 | 69.59 | 2.35 |