| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.91 | 10.65 | 1.26 |
| Feb | 8.92 | 8.12 | 0.80 |
| Mar | 9.33 | 7.82 | 1.51 |
| Apr | 6.50 | 5.43 | 1.07 |
| May | 4.03 | 3.51 | 0.52 |
| Jun | 2.70 | 2.65 | 0.05 |
| Jul | 0.67 | 0.61 | 0.06 |
| Aug | 0.89 | 0.83 | 0.06 |
| Sep | 2.40 | 2.09 | 0.31 |
| Oct | 6.79 | 5.69 | 1.10 |
| Nov | 11.28 | 10.00 | 1.28 |
| Dec | 13.09 | 12.04 | 1.05 |
78.51 | 69.44 | 9.07 |