condition	mean	min	max
4 h after light	11.61944	6.75772	16.2103
8 h after light	7.08395	2.58675	10.8751
12 h after light	7.28526	5.00655	10.6675
4 h after dark	9.040436666666666	6.55553	12.1613
8 h after dark	7.59632	6.36407	8.44293
12 h after dark	11.734366666666666	11.2059	12.2243