condition	mean	min	max
4 h after light	16.29664	7.12512	27.482
8 h after light	6.30207	1.34436	10.2435
12 h after light	8.454733333333333	3.91656	15.2314
4 h after dark	13.048256666666667	7.20257	17.9368
8 h after dark	16.801	10.447	20.1993
12 h after dark	28.8555	17.4479	48.1449