| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.20 | 8.05 | 0.15 |
| Feb | 6.15 | 6.07 | 0.08 |
| Mar | 6.28 | 5.97 | 0.31 |
| Apr | 4.22 | 4.06 | 0.16 |
| May | 2.38 | 2.38 | 0.00 |
| Jun | 1.33 | 1.39 | -0.06 |
| Jul | 0.31 | 0.33 | -0.02 |
| Aug | 0.42 | 0.43 | -0.01 |
| Sep | 1.49 | 1.60 | -0.11 |
| Oct | 4.15 | 4.06 | 0.09 |
| Nov | 7.83 | 7.84 | -0.01 |
| Dec | 9.96 | 9.84 | 0.12 |
52.72 | 52.02 | 0.70 |