condition	mean	min	max
4 h after light	1.8553700000000002	1.7675	1.94324
8 h after light	2.93797	2.36161	3.51433
12 h after light	71.05555	69.7033	72.4078
4 h after dark	64.43165	62.4646	66.3987
8 h after dark	25.171149999999997	23.5356	26.8067
12 h after dark	6.56111	5.48174	7.64048