condition	mean	min	max
4 h after light	4.352735	3.94188	4.76359
8 h after light	3.471835	3.33516	3.60851
12 h after light	6.867509999999999	6.2288	7.50622
4 h after dark	7.921685	7.71234	8.13103
8 h after dark	9.4311	9.24011	9.62209
12 h after dark	5.36378	5.2771	5.45046