condition	mean	min	max
0 h after light	15.00545	14.9172	15.0937
4 h after light	7.112045	5.56174	8.66235
8 h after light	6.76724	6.46973	7.06475
4 h after dark	9.78745	9.2163	10.3586
8 h after dark	11.6308	11.1568	12.1048
12 h after dark	11.9758	10.8839	13.0677