condition	mean	min	max
3 h after light	6.7656600000000005	4.01972	10.355
7 h after light	6.800094166666667	3.9391	10.0811
11 h after light	6.7821975000000005	5.59564	9.41239
2 h after dark	8.298051666666666	5.28435	11.6718
6 h after dark	8.903824166666666	6.92016	11.9378
10 h after dark	8.405580833333334	3.28402	11.9876