condition	mean	min	max
4 h after light	13.2854	12.6377	13.9331
8 h after light	10.764045	9.81989	11.7082
12 h after light	11.65112	9.70024	13.602
4 h after dark	15.25215	14.5247	15.9796
8 h after dark	14.576550000000001	13.9062	15.2469
12 h after dark	15.5153	15.4524	15.5782