| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.17 | 10.88 | 0.29 |
| Feb | 8.21 | 7.55 | 0.66 |
| Mar | 8.56 | 8.05 | 0.51 |
| Apr | 6.05 | 5.75 | 0.30 |
| May | 3.59 | 3.43 | 0.16 |
| Jun | 2.41 | 2.32 | 0.09 |
| Jul | 0.56 | 0.67 | -0.11 |
| Aug | 0.70 | 0.82 | -0.12 |
| Sep | 2.15 | 1.95 | 0.20 |
| Oct | 6.06 | 5.64 | 0.42 |
| Nov | 10.25 | 9.75 | 0.50 |
| Dec | 12.23 | 11.81 | 0.42 |
71.94 | 68.62 | 3.32 |