condition	mean	min	max
4 h after light	8.516494999999999	7.9936	9.03939
8 h after light	8.857325	8.8468	8.86785
12 h after light	10.379539999999999	9.21148	11.5476
4 h after dark	12.629333333333333	11.9545	13.0171
8 h after dark	12.551566666666666	11.2476	13.8938
12 h after dark	7.430766666666667	5.3076	9.35336