condition mean min max 4 h after light 10.3891645 9.123682 11.654647 8 h after light 10.030205500000001 8.98594 11.074471 12 h after light 9.701108999999999 9.51647 9.885748 4 h after dark 9.3615775 8.837407 9.885748 8 h after dark 10.758535 9.790533 11.726537 12 h after dark 11.554701 11.554701 11.554701