condition	mean	min	max
4 h after light	4.91772	4.22103	5.61441
8 h after light	10.46485	10.4277	10.502
12 h after light	22.51285	21.1854	23.8403
4 h after dark	10.828733333333334	10.1111	11.7597
8 h after dark	6.6841	6.52744	6.85309
12 h after dark	5.314843333333333	4.82505	5.98456