condition	mean	min	max
4 h after light	6.5601400000000005	5.60655	7.51373
8 h after light	5.8330400000000004	5.69801	5.96807
12 h after light	6.729455	6.35115	7.10776
4 h after dark	10.076205	9.62491	10.5275
8 h after dark	9.11867	8.72819	9.50915
12 h after dark	8.61375	8.37874	8.84876