condition	mean	min	max
4 h after light	11.3028	10.9675	11.6381
8 h after light	14.1547	14.044	14.2654
12 h after light	20.39145	19.6398	21.1431
4 h after dark	18.28235	17.0994	19.4653
8 h after dark	26.5462	26.0037	27.0887
12 h after dark	19.9052	18.8389	20.9715