condition	mean	min	max
4 h after light	5.375675	3.08891	7.66244
8 h after light	6.1700099999999996	4.3796	7.96042
12 h after light	9.013215	6.87713	11.1493
4 h after dark	14.80685	13.6916	15.9221
8 h after dark	11.41025	10.8776	11.9429
12 h after dark	8.202079999999999	7.24912	9.15504