condition	mean	min	max
4 h after light	3.246245	3.18441	3.30808
8 h after light	4.60262	4.44495	4.76029
12 h after light	6.52538	6.08306	6.9677
4 h after dark	7.582925	7.08573	8.08012
8 h after dark	7.134494999999999	7.06283	7.20616
12 h after dark	5.547395	5.32798	5.76681