condition	mean	min	max
4 h after light	7.416860000000001	5.846	8.22076
8 h after light	5.047955	0.585255	10.4122
12 h after light	4.763166666666667	2.67798	7.29654
4 h after dark	6.42111	3.45342	9.22824
8 h after dark	4.764753333333333	3.87393	5.40754
12 h after dark	7.02819	4.04397	9.11508