condition	mean	min	max
4 h after light	13.335049999999999	12.5443	14.1258
8 h after light	9.65949	8.95508	10.3639
12 h after light	6.475709999999999	6.33678	6.61464
4 h after dark	7.43238	6.29955	8.56521
8 h after dark	6.8896250000000006	6.65301	7.12624
12 h after dark	8.987095	8.48666	9.48753