condition	mean	min	max
4 h after light	4.74828	4.09097	5.40559
8 h after light	5.380405	4.97083	5.78998
12 h after light	6.373675	5.89283	6.85452
4 h after dark	5.97968	5.14469	6.81467
8 h after dark	5.534855	5.51038	5.55933
12 h after dark	5.742165	5.46387	6.02046