condition	mean	min	max
4 h after light	7.19497	6.49022	7.89972
8 h after light	7.10063	6.77652	7.42474
12 h after light	6.72781	6.48926	6.96636
4 h after dark	8.495773333333334	8.11388	9.22195
8 h after dark	7.401473333333333	6.58024	8.2388
12 h after dark	7.38628	6.73377	8.10885