condition	mean	min	max
0 h after light	5.8025649999999995	5.598	6.00713
4 h after light	8.20046	7.57555	8.82537
8 h after light	13.683399999999999	12.5773	14.7895
4 h after dark	17.86955	16.805	18.9341
8 h after dark	9.468275	8.53045	10.4061
12 h after dark	8.217459999999999	7.50608	8.92884