condition	mean	min	max
4 h after light	6.959196666666667	6.738060000000001	7.2428
8 h after light	7.03523	6.67053	7.37528
12 h after light	6.91648	6.813689999999999	7.00909
4 h after dark	7.179223333333334	6.91323	7.68916
8 h after dark	6.861923333333333	6.74022	6.99217
12 h after dark	6.79005	6.6415	7.07953