condition	mean	min	max
4 h after light	7.8086	7.74895	7.83863
8 h after light	7.85196	7.7259199999999995	7.955830000000001
12 h after light	8.07398	7.98832	8.22034
4 h after dark	7.595823333333334	7.26998	7.86838
8 h after dark	7.55919	7.422960000000001	7.656560000000001
12 h after dark	7.479806666666667	7.4054	7.55425