condition	mean	min	max
4 h after light	59.1627655	51.939774	66.385757
8 h after light	60.5011695	56.138565	64.863774
12 h after light	66.278875	62.922166	69.635584
4 h after dark	74.691589	71.073207	78.309971
8 h after dark	79.106339	72.696521	85.516157
12 h after dark	71.073207	71.073207	71.073207