condition	mean	min	max
4 h after light	9.94457	9.16214	10.727
8 h after light	7.773425	7.5545	7.99235
12 h after light	12.0647	11.9539	12.1755
4 h after dark	16.721400000000003	15.8154	17.6274
8 h after dark	17.8816	17.4032	18.36
12 h after dark	14.911999999999999	14.6744	15.1496