| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 13.20 | 10.78 | 2.42 |
| Feb | 9.95 | 8.17 | 1.78 |
| Mar | 10.27 | 7.68 | 2.59 |
| Apr | 7.56 | 5.57 | 1.99 |
| May | 4.45 | 3.59 | 0.86 |
| Jun | 3.06 | 2.67 | 0.39 |
| Jul | 0.73 | 0.65 | 0.08 |
| Aug | 1.10 | 0.89 | 0.21 |
| Sep | 2.83 | 2.10 | 0.73 |
| Oct | 7.83 | 5.86 | 1.97 |
| Nov | 12.72 | 10.36 | 2.36 |
| Dec | 14.69 | 12.11 | 2.58 |
88.39 | 70.43 | 17.96 |