| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.67 | -0.01 |
| Feb | 3.22 | 3.13 | 0.09 |
| Mar | 3.90 | 3.79 | 0.11 |
| Apr | 3.61 | 3.50 | 0.11 |
| May | 4.13 | 3.98 | 0.15 |
| Jun | 4.89 | 5.06 | -0.17 |
| Jul | 5.90 | 5.70 | 0.20 |
| Aug | 6.29 | 5.92 | 0.37 |
| Sep | 6.50 | 6.39 | 0.11 |
| Oct | 3.42 | 3.61 | -0.19 |
| Nov | 3.36 | 3.38 | -0.02 |
| Dec | 3.43 | 3.39 | 0.04 |
52.31 | 51.52 | 0.79 |