condition	mean	min	max
0 h after light	8.07616	7.53183	8.62049
4 h after light	4.064305	3.34026	4.78835
8 h after light	3.672355	3.56087	3.78384
4 h after dark	6.362534999999999	6.26038	6.46469
8 h after dark	5.34495	5.02232	5.66758
12 h after dark	5.966060000000001	5.57472	6.3574