| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.35 | 9.19 | 2.16 |
| Feb | 7.07 | 6.34 | 0.73 |
| Mar | 8.52 | 7.27 | 1.25 |
| Apr | 5.40 | 5.29 | 0.11 |
| May | 3.80 | 3.54 | 0.26 |
| Jun | 2.82 | 2.72 | 0.10 |
| Jul | 1.33 | 1.24 | 0.09 |
| Aug | 1.64 | 1.66 | -0.02 |
| Sep | 3.40 | 3.15 | 0.25 |
| Oct | 8.20 | 6.84 | 1.36 |
| Nov | 12.58 | 10.54 | 2.04 |
| Dec | 10.59 | 8.92 | 1.67 |
76.70 | 66.70 | 10.00 |