condition	mean	min	max
4 h after light	20.63955	15.1496	26.1295
8 h after light	8.119724999999999	5.09065	11.1488
12 h after light	8.66045	7.42408	9.89682
4 h after dark	13.147366666666667	10.4795	17.9613
8 h after dark	8.801063333333333	5.43882	11.6397
12 h after dark	12.92015	9.59245	16.1484