condition	mean	min	max
4 h after light	7.876424999999999	7.650897	8.101953
8 h after light	7.168661500000001	6.977776	7.359547
12 h after light	7.1312964999999995	7.100962	7.161631
4 h after dark	6.8035605	6.271414	7.335707
8 h after dark	8.6234225	7.847117	9.399728
12 h after dark	6.912147	6.912147	6.912147