condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.065231 0.0 0.121531 12 h after light 0.04886645 0.0 0.125661 3 h after dark 0.0 0.0 0.0 6 h after dark 0.02557973333333333 0.0 0.0767392 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0