condition	mean	min	max
4 h after light	6.467124999999999	5.43547	7.49878
8 h after light	6.8806449999999995	6.84793	6.91336
12 h after light	6.4484449999999995	5.92005	6.97684
4 h after dark	9.66057	8.4067	10.8016
8 h after dark	8.55632	7.10246	9.7417
12 h after dark	6.12688	5.98627	6.27049