condition	mean	min	max
4 h after light	7135.8	7135.8	7135.8
8 h after light	6944.1	6804.6	7083.6
12 h after light	7254.65	7149.0	7360.3
4 h after dark	7676.5	6910.9	8442.1
8 h after dark	8762.8	8168.1	9357.5
12 h after dark	8546.3	8048.3	9044.3