condition	mean	min	max
4 h after light	7.346245	7.07651	7.61598
8 h after light	8.59018	8.40128	8.77908
12 h after light	7.6183499999999995	7.31359	7.92311
4 h after dark	7.721396666666666	6.81769	8.50321
8 h after dark	7.9812199999999995	7.78622	8.13898
12 h after dark	8.612783333333333	7.48456	9.5941