condition	mean	min	max
4 h after light	7294.5	7294.5	7294.5
8 h after light	7459.299999999999	7109.2	7809.4
12 h after light	7314.25	6755.9	7872.6
4 h after dark	6686.200000000001	6290.8	7081.6
8 h after dark	6192.25	5852.5	6532.0
12 h after dark	6190.0	6005.8	6374.2