condition	mean	min	max
4 h after light	7.09916	6.793338	7.404982
8 h after light	6.4244985	5.934383	6.914614
12 h after light	6.9903735000000005	6.622948	7.357799
4 h after dark	7.6416485	7.415175	7.868122
8 h after dark	7.680619	7.277346	8.083892
12 h after dark	6.942444	6.942444	6.942444