condition	mean	min	max
0 h after light	5.21659	4.92595	5.50723
4 h after light	2.98981	2.97348	3.00614
8 h after light	4.542155	4.34588	4.73843
4 h after dark	6.45076	5.94734	6.95418
8 h after dark	5.641595	5.55308	5.73011
12 h after dark	4.84924	4.19035	5.50813