condition	mean	min	max
4 h after light	6.604195000000001	6.26266	6.94573
8 h after light	5.235530000000001	5.16255	5.30851
12 h after light	5.013335	4.55826	5.46841
4 h after dark	6.467395	5.93508	6.99971
8 h after dark	6.574624999999999	6.43479	6.71446
12 h after dark	6.485615	6.28822	6.68301