condition	mean	min	max
4 h after light	63.4147	62.6195	64.2099
8 h after light	41.691199999999995	39.8638	43.5186
12 h after light	48.36945	46.8588	49.8801
4 h after dark	56.858549999999994	56.166	57.5511
8 h after dark	59.9371	57.8967	61.9775
12 h after dark	68.42345	63.4773	73.3696