condition	mean	min	max
4 h after light	6.892526666666667	6.68348	7.02452
8 h after light	6.717276666666667	6.410880000000001	6.893269999999999
12 h after light	7.04094	6.69376	7.3363
4 h after dark	6.922196666666666	6.44241	7.303719999999999
8 h after dark	6.87188	6.760730000000001	7.02836
12 h after dark	7.09539	6.9299100000000005	7.18257