condition mean min max 4 h after light 5.356166666666667 2.8565 8.06122 8 h after light 3.41439 1.10475 6.27205 12 h after light 3.6653900000000004 2.20208 5.56887 4 h after dark 5.22073 3.88957 6.79655 8 h after dark 4.058333333333334 3.12099 5.35077 12 h after dark 5.79472 4.58357 6.78473