condition	mean	min	max
4 h after light	5.91185	5.34881	6.47489
8 h after light	5.73909	5.58299	5.89519
12 h after light	6.823589999999999	5.87925	7.76793
4 h after dark	7.910723333333333	7.7113	8.09081
8 h after dark	7.985593333333333	7.7719	8.24638
12 h after dark	6.443033333333333	6.31727	6.5111