condition	mean	min	max
4 h after light	4.340195	4.04087	4.63952
8 h after light	2.53028	2.3989	2.66166
12 h after light	2.903265	2.50588	3.30065
4 h after dark	4.635443333333333	4.17946	4.92627
8 h after dark	5.649053333333334	5.2178	5.93401
12 h after dark	5.55942	4.93377	6.01239