condition	mean	min	max
4 h after light	8.221103	7.493943	8.948263
8 h after light	9.9994265	9.810319	10.188534
12 h after light	9.1974665	9.122445	9.272488
4 h after dark	7.797884	7.566981	8.028787
8 h after dark	8.4101245	7.871986	8.948263
12 h after dark	8.931771	8.931771	8.931771