condition	mean	min	max
0 h after light	21.26885	20.4498	22.0879
4 h after light	17.3664	16.2806	18.4522
8 h after light	9.052355	9.04681	9.0579
4 h after dark	7.376195	6.83079	7.9216
8 h after dark	14.671800000000001	14.2623	15.0813
12 h after dark	18.7331	15.2927	22.1735