condition	mean	min	max
4 h after light	14363.88722	12703.92333	17044.765
8 h after light	11635.807223333333	10184.91667	12774.39
12 h after light	9636.361112	9182.573333	10211.29667
1.5 h after dark	9481.314445666667	8733.896667	10091.47667
5.5 h after dark	13107.384443333332	11497.51333	14767.35667
9.5 h after dark	12857.236666666666	11641.74333	14738.46667