condition	mean	min	max
4 h after light	7971.4	7971.4	7971.4
8 h after light	8885.55	7632.0	10139.1
12 h after light	8729.05	7935.2	9522.9
4 h after dark	8243.2	7161.3	9325.1
8 h after dark	7600.5	6588.1	8612.9
12 h after dark	7540.0	6747.0	8333.0