condition	mean	min	max
4 h after light	7.542400000000001	7.09485	7.98995
8 h after light	3.7257550000000004	3.64535	3.80616
12 h after light	3.65822	3.62502	3.69142
4 h after dark	6.635723333333333	6.02302	7.08003
8 h after dark	8.124053333333332	7.62	9.11714
12 h after dark	8.214823333333333	7.72064	8.56457