condition	mean	min	max
4 h after light	10.924085	8.76647	13.0817
8 h after light	8.577164999999999	7.93345	9.22088
12 h after light	11.52965	10.1426	12.9167
4 h after dark	17.6157	16.9838	18.0863
8 h after dark	17.7832	16.3119	19.7031
12 h after dark	12.101833333333333	10.5503	15.01