condition	mean	min	max
0 h after light	12.76675	11.9641	13.5694
4 h after light	19.157899999999998	17.6939	20.6219
8 h after light	21.1597	20.8054	21.514
4 h after dark	22.031100000000002	21.3782	22.684
8 h after dark	18.9431	17.8237	20.0625
12 h after dark	15.59945	14.0534	17.1455