condition	mean	min	max
4 h after light	15.70975	14.3422	17.0773
8 h after light	23.6759	21.7877	25.5641
12 h after light	24.53065	22.7068	26.3545
4 h after dark	12.475999999999999	10.0669	14.8851
8 h after dark	21.6469	18.6483	24.6455
12 h after dark	13.139800000000001	9.7916	16.488