condition	mean	min	max
4 h after light	5.45063	4.78752	6.11374
8 h after light	6.896224999999999	6.77743	7.01502
12 h after light	6.62066	6.47471	6.76661
4 h after dark	8.36171	8.2346	8.48882
8 h after dark	6.90088	6.70324	7.09852
12 h after dark	6.50443	6.2891	6.71976