| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.25 | 10.38 | 0.87 |
| Feb | 8.27 | 8.04 | 0.23 |
| Mar | 8.62 | 8.55 | 0.07 |
| Apr | 5.97 | 6.15 | -0.18 |
| May | 3.53 | 3.73 | -0.20 |
| Jun | 2.34 | 2.60 | -0.26 |
| Jul | 0.53 | 0.73 | -0.20 |
| Aug | 0.67 | 0.82 | -0.15 |
| Sep | 2.08 | 2.18 | -0.10 |
| Oct | 6.00 | 5.92 | 0.08 |
| Nov | 10.36 | 10.57 | -0.21 |
| Dec | 12.37 | 12.88 | -0.51 |
71.99 | 72.55 | -0.56 |