condition	mean	min	max
4 h after light	8.16334	8.05868	8.36876
8 h after light	8.117586666666666	8.053519999999999	8.1901
12 h after light	7.8079600000000005	7.64485	7.9958100000000005
4 h after dark	7.5300199999999995	7.455239999999999	7.64475
8 h after dark	7.750063333333333	7.62166	8.00032
12 h after dark	7.738896666666666	7.67603	7.82057