condition mean min max 4 h after light 1703.7966666666666 1500.4920000000002 1883.125 8 h after light 2096.9610000000002 1617.3010000000002 2412.117 12 h after light 821.2576 573.59 1064.037 16 h after light 1652.3226666666667 1503.63 1806.39 4 h after dark 1596.788 1203.613 2082.725 8 h after dark 1050.0616 901.2968 1213.876