condition	mean	min	max
4 h after light	18.4043305	16.230614	20.578047
8 h after light	14.597454	14.37296	14.821948
12 h after light	15.440195	14.357291	16.523099
4 h after dark	19.2074815	17.520256	20.894707
8 h after dark	20.4881795	20.165088	20.811271
12 h after dark	24.91695	24.91695	24.91695