condition	mean	min	max
2 h after light	12.498455	9.72573	14.6167
6 h after light	15.35276	9.07716	19.3019
10 h after light	14.80222	9.71782	30.6575
14 h after light	14.677285	9.14226	20.9818
18 h after light	15.9123	12.0293	19.4044
2 h after dark	13.52658	7.99379	17.1714