condition	mean	min	max
0 h after light	15.323450000000001	15.0653	15.5816
4 h after light	10.534195	7.66069	13.4077
8 h after light	9.939415	9.58823	10.2906
4 h after dark	14.784400000000002	11.6927	17.8761
8 h after dark	14.30405	12.0957	16.5124
12 h after dark	15.519449999999999	14.2257	16.8132