condition	mean	min	max
4 h after light	4.60553	4.52076	4.75274
8 h after light	4.438726666666667	4.347169999999999	4.58805
12 h after light	4.336936666666666	4.221019999999999	4.49976
4 h after dark	4.502043333333334	4.37511	4.67816
8 h after dark	4.39354	4.202380000000001	4.4959
12 h after dark	4.59527	4.47825	4.79546