condition	mean	min	max
4 h after light	7.823124999999999	7.21629	8.42996
8 h after light	8.07199	7.43095	8.71303
12 h after light	9.19649	8.23528	10.1577
4 h after dark	10.57351	9.5859	12.3969
8 h after dark	11.377233333333333	10.4645	12.6187
12 h after dark	8.69602	7.77691	9.72648