condition	mean	min	max
4 h after light	15.136417	14.164807	16.108027
8 h after light	13.149398	13.068966	13.22983
12 h after light	13.21045	12.697045	13.723855
4 h after dark	14.4221045	13.723855	15.120354
8 h after dark	11.319849999999999	10.872268	11.767432
12 h after dark	16.449591	16.449591	16.449591