condition	mean	min	max
4 h after light	9.025993333333334	4.99318	11.6705
8 h after light	8.843416666666666	2.57705	13.3837
12 h after light	10.118323333333333	5.8271	15.8479
4 h after dark	14.205210000000001	9.06713	18.0193
8 h after dark	12.37745	9.34905	14.1451
12 h after dark	11.36925	9.07905	13.1542