condition	mean	min	max
0 h after light	6.60597	6.20882	7.00312
4 h after light	4.256959999999999	3.85325	4.66067
8 h after light	7.97349	7.80598	8.141
4 h after dark	7.718325	7.63017	7.80648
8 h after dark	7.205495	6.6558	7.75519
12 h after dark	5.749175	4.9942	6.50415