condition	mean	min	max
2 h after light	6.641933333333333	5.93013	7.4564
6 h after light	7.845786666666666	7.27427	8.24401
10 h after light	6.62442	5.37345	7.32858
2 h after dark	9.99483	8.97119	10.6044
6 h after dark	8.2978	7.67317	8.62006
10 h after dark	8.604873333333334	7.98299	9.31923