| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.03 | 10.36 | 0.67 |
| Feb | 8.28 | 7.73 | 0.55 |
| Mar | 8.09 | 8.13 | -0.04 |
| Apr | 6.56 | 6.30 | 0.26 |
| May | 4.30 | 4.13 | 0.17 |
| Jun | 3.14 | 3.04 | 0.10 |
| Jul | 0.84 | 0.79 | 0.05 |
| Aug | 1.10 | 1.08 | 0.02 |
| Sep | 2.89 | 2.90 | -0.01 |
| Oct | 7.22 | 6.70 | 0.52 |
| Nov | 11.46 | 10.80 | 0.66 |
| Dec | 12.00 | 11.62 | 0.38 |
76.91 | 73.58 | 3.33 |