condition	mean	min	max
3 h after light	14.147400000000001	13.076	15.8358
6 h after light	17.343333333333334	15.274	18.8742
9 h after light	18.770433333333333	17.6194	20.4088
12 h after light	17.336475	12.1032	20.1912
3 h after dark	20.7363	20.1482	21.0427
6 h after dark	17.210966666666668	16.301	18.9507
9 h after dark	13.5691	11.4352	15.0317
12 h after dark	11.42385	10.6183	12.2294