condition mean min max 0 h after light 0.521136 0.493245 0.549027 4 h after light 0.1098765 0.108069 0.111684 8 h after light 0.0550046 0.0542211 0.0557881 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.1903675 0.107078 0.273657