condition	mean	min	max
4 h after light	19.075053333333333	15.071439999999999	21.79362
8 h after light	12.48988	7.217536	21.217229999999997
12 h after light	18.510930000000002	17.93794	19.45305
16 h after light	22.64022	17.819000000000003	26.7686
4 h after dark	33.65197	26.66137	37.39539
8 h after dark	19.81759	13.22119	24.947129999999998