condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0160528 0.0 0.0481584 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0392892 0.0 0.0589352 6 h after dark 0.0 0.0 0.0 9 h after dark 0.014431600000000001 0.0 0.0432948 12 h after dark 0.0519066 0.0454501 0.0583631