| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 12.06 | 10.39 | 1.67 |
| Feb | 9.15 | 8.14 | 1.01 |
| Mar | 9.61 | 8.70 | 0.91 |
| Apr | 6.68 | 5.14 | 1.54 |
| May | 4.12 | 3.64 | 0.48 |
| Jun | 2.50 | 2.02 | 0.48 |
| Jul | 0.63 | 0.42 | 0.21 |
| Aug | 0.70 | 0.53 | 0.17 |
| Sep | 2.32 | 2.25 | 0.07 |
| Oct | 6.73 | 5.23 | 1.50 |
| Nov | 11.69 | 10.39 | 1.30 |
| Dec | 13.55 | 11.69 | 1.86 |
79.74 | 68.54 | 11.20 |