condition	mean	min	max
4 h after light	11.816775	9.06045	14.5731
8 h after light	9.14259	8.4947	9.79048
12 h after light	6.70073	5.8227	7.57876
4 h after dark	6.791385	6.72082	6.86195
8 h after dark	7.56258	6.59343	8.53173
12 h after dark	9.096315	7.81353	10.3791