condition	mean	min	max
4 h after light	19.786583	17.973686	21.59948
8 h after light	15.329913000000001	14.734591	15.925235
12 h after light	23.933452000000003	16.875114	30.99179
4 h after dark	19.1568595	17.303576	21.010143
8 h after dark	21.5066445	20.115739	22.89755
12 h after dark	14.83225	14.83225	14.83225