condition	mean	min	max
2 h after light	9.69922	8.20561	10.9446
6 h after light	8.45663	7.99706	9.18892
10 h after light	8.852626666666668	8.37479	9.30828
2 h after dark	5.203869999999999	4.97723	5.4072
6 h after dark	5.42113	4.51123	6.00469
10 h after dark	5.115336666666667	4.9367	5.47114