condition	mean	min	max
4 h after light	7.1778466666666665	6.91471	7.361219999999999
8 h after light	6.273313333333333	5.979830000000001	6.44915
12 h after light	6.009130000000001	5.78293	6.3209800000000005
4 h after dark	6.05762	5.81228	6.353330000000001
8 h after dark	6.499853333333333	6.21154	6.6634899999999995
12 h after dark	7.663166666666667	7.458480000000001	7.82575