condition	mean	min	max
4 h after light	11.003415	9.04483	12.962
8 h after light	10.21948	9.59886	10.8401
12 h after light	9.473675	7.54235	11.405
4 h after dark	7.088826666666666	6.22638	8.03817
8 h after dark	10.75697	9.66951	11.3586
12 h after dark	11.365213333333333	9.33544	14.388