condition mean min max 0 h after light 0.1636415 0.0 0.327283 4 h after light 0.1613415 0.0 0.322683 8 h after light 0.32847499999999996 0.323796 0.333154 4 h after dark 0.3214335 0.0 0.642867 8 h after dark 0.48485749999999994 0.325049 0.644666 12 h after dark 0.1634215 0.0 0.326843