condition	mean	min	max
4 h after light	6.59825	6.0621	7.1344
8 h after light	6.86081	6.8469	6.87472
12 h after light	5.195774999999999	4.97119	5.42036
4 h after dark	6.38643	5.66085	7.13124
8 h after dark	6.835943333333334	4.92527	8.11523
12 h after dark	5.7246966666666665	3.99809	7.13069