condition	mean	min	max
4 h after light	7.80633	3.56869	12.445
8 h after light	6.6763200000000005	1.93988	11.4335
12 h after light	7.45297	3.77539	12.0141
4 h after dark	9.31172	6.00492	12.9244
8 h after dark	8.412926666666667	4.52268	10.5449
12 h after dark	11.256443333333333	8.01933	14.4466