condition	mean	min	max
4 h after light	12.2349	11.4277	13.0421
8 h after light	7.8192699999999995	6.89303	8.74551
12 h after light	8.33848	8.27538	8.40158
4 h after dark	11.7081	10.1448	12.7003
8 h after dark	14.6683	13.6725	16.0917
12 h after dark	13.513566666666668	12.0558	15.4379