condition	mean	min	max
4 h after light	27545.107223333333	26113.77	28829.09667
8 h after light	28286.494446666667	24944.33667	32107.02
12 h after light	30765.9	28445.59	32774.83333
1.5 h after dark	32642.81555666667	29286.89667	36907.44
5.5 h after dark	33127.36444333333	29240.32667	36104.36333
9.5 h after dark	33176.76222333333	28877.57333	36491.95667