condition	mean	min	max
4 h after light	6.226500000000001	3.49525	8.95775
8 h after light	10.31602	9.97504	10.657
12 h after light	12.24395	10.0809	14.407
4 h after dark	17.307100000000002	15.9785	18.7981
8 h after dark	12.0574	11.476	12.4049
12 h after dark	8.06452	7.52908	8.46134