condition	mean	min	max
4 h after light	13.9505275	13.402072	14.498983
8 h after light	15.0526835	14.762314	15.343053
12 h after light	14.2412435	13.167716	15.314771
4 h after dark	17.168003	14.956176	19.37983
8 h after dark	15.7874085	15.525492	16.049325
12 h after dark	14.81551	14.81551	14.81551