condition	mean	min	max
4 h after light	5.969099999999999	5.07816	6.86004
8 h after light	13.3192	12.17	14.4684
12 h after light	27.75175	26.9907	28.5128
4 h after dark	17.9426	15.7745	20.1107
8 h after dark	8.155384999999999	7.39104	8.91973
12 h after dark	5.5713550000000005	5.24195	5.90076