condition	mean	min	max
4 h after light	6.444625	6.31367	6.57558
8 h after light	7.842065	7.72013	7.964
12 h after light	11.56945	11.2833	11.8556
4 h after dark	11.97125	11.6284	12.3141
8 h after dark	11.3059	11.0756	11.5362
12 h after dark	9.915595	9.66989	10.1613