| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 12.27 | 12.01 | 0.26 |
| Feb | 8.07 | 7.64 | 0.43 |
| Mar | 9.08 | 8.74 | 0.34 |
| Apr | 6.50 | 6.43 | 0.07 |
| May | 3.90 | 3.62 | 0.28 |
| Jun | 2.69 | 2.61 | 0.08 |
| Jul | 0.97 | 1.06 | -0.09 |
| Aug | 1.52 | 1.53 | -0.01 |
| Sep | 3.05 | 2.57 | 0.48 |
| Oct | 7.71 | 7.44 | 0.27 |
| Nov | 12.07 | 11.74 | 0.33 |
| Dec | 12.34 | 11.98 | 0.36 |
80.17 | 77.37 | 2.80 |