condition	mean	min	max
4 h after light	14.9724	13.1485	16.7471
8 h after light	14.734449999999999	4.90235	21.8616
12 h after light	18.4619	10.6211	23.7143
4 h after dark	21.418766666666667	18.432	23.6995
8 h after dark	21.6488	20.3056	23.8654
12 h after dark	14.796066666666666	11.1648	17.096