condition	mean	min	max
4 h after light	6.884685999999999	4.9539599999999995	8.075431
8 h after light	5.253391	4.702682	6.22474
12 h after light	18.16941	11.367980000000001	22.6916
16 h after light	14.243376666666666	10.96385	18.8702
4 h after dark	14.798936666666666	13.1238	16.472360000000002
8 h after dark	4.871158666666666	1.5625360000000001	6.884983999999999