condition	mean	min	max
4 h after light	6.68152	5.59851	7.76453
8 h after light	9.668035	9.39428	9.94179
12 h after light	12.91655	12.8563	12.9768
4 h after dark	18.29925	17.2582	19.3403
8 h after dark	14.40485	13.9995	14.8102
12 h after dark	9.808150000000001	9.63286	9.98344