condition	mean	min	max
4 h after light	2.70397	2.11185	3.29609
8 h after light	4.249085	4.21013	4.28804
12 h after light	6.21325	5.66119	6.76531
4 h after dark	6.92399	6.8743	6.97368
8 h after dark	4.302475	4.10613	4.49882
12 h after dark	4.273045	3.96516	4.58093