condition mean min max 4 h after light 0.0181986 0.0 0.0363972 8 h after light 0.096931 0.074616 0.119246 12 h after light 0.053130300000000005 0.0289843 0.0772763 4 h after dark 0.0577342 0.0 0.10308 8 h after dark 0.09701133333333332 0.0 0.145618 12 h after dark 0.1455873 0.0847166 0.252179