condition	mean	min	max
4 h after light	3.3627849999999997	2.70279	4.02278
8 h after light	4.82735	4.39918	5.25552
12 h after light	6.40485	5.32127	7.48843
4 h after dark	8.362645	7.71404	9.01125
8 h after dark	5.191205	4.87669	5.50572
12 h after dark	4.64919	3.30137	5.99701