condition	mean	min	max
4 h after light	8.184410499999998	8.121063	8.247758
8 h after light	7.746799	7.380196	8.113402
12 h after light	7.24144	6.670951	7.811929
4 h after dark	7.6882095	7.47796	7.898459
8 h after dark	8.0343405	7.811929	8.256752
12 h after dark	6.98983	6.98983	6.98983