condition	mean	min	max
4 h after light	17.624717	15.57737	19.672064
8 h after light	14.3541045	12.799353	15.908856
12 h after light	12.166847	11.534341	12.799353
4 h after dark	10.8580045	9.910966	11.805043
8 h after dark	11.272091	9.686707	12.857475
12 h after dark	13.929691	13.929691	13.929691