condition mean min max 4 h after light 0.61849 0.517638 0.719342 8 h after light 0.19799909999999998 0.0563552 0.339643 12 h after light 0.49160550000000003 0.344137 0.639074 4 h after dark 0.386989 0.268611 0.505367 8 h after dark 0.331915 0.199554 0.464276 12 h after dark 0.3534055 0.320974 0.385837