condition	mean	min	max
4 h after light	13.50155	12.6148	14.3883
8 h after light	11.0146	10.859	11.1702
12 h after light	11.77205	11.0492	12.4949
4 h after dark	15.351300000000002	14.3952	16.3074
8 h after dark	13.6601	13.3588	13.9614
12 h after dark	15.5308	15.1378	15.9238