condition	mean	min	max
4 h after light	13.7088	11.9001	15.5175
8 h after light	14.9246	14.5008	15.3484
12 h after light	16.983249999999998	16.3837	17.5828
4 h after dark	21.01485	20.057	21.9727
8 h after dark	19.6197	18.9672	20.2722
12 h after dark	16.5488	16.179	16.9186