condition	mean	min	max
3 h after light	7.506785	5.50802	13.4823
7 h after light	6.421998333333334	4.2214	9.42581
11 h after light	7.615729166666667	5.3868	11.2807
2 h after dark	8.33435	6.00843	12.0514
6 h after dark	7.667058333333333	4.70699	10.4117
10 h after dark	7.0653975	3.52642	10.1568