condition	mean	min	max
4 h after light	15.294970000000001	7.85511	22.533
8 h after light	9.906196666666666	2.16186	17.6864
12 h after light	10.500263333333333	5.94468	16.9271
4 h after dark	20.4016	12.8749	26.0583
8 h after dark	21.3662	13.2512	28.7875
12 h after dark	22.152833333333334	18.3905	29.4688