condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.15130349999999998 0.0 0.382752 12 h after light 0.035259 0.0 0.105777 4 h after dark 0.061824 0.0 0.185472 8 h after dark 0.10292866666666667 0.0 0.308786 12 h after dark 0.22591166666666665 0.0 0.365838