condition	mean	min	max
4 h after light	8.030090000000001	7.36092	8.69926
8 h after light	6.471745	6.39953	6.54396
12 h after light	6.100965	5.96751	6.23442
4 h after dark	7.566985000000001	7.45457	7.6794
8 h after dark	9.8522	9.492	10.2124
12 h after dark	9.302885	8.90409	9.70168