condition	mean	min	max
4 h after light	8.495483333333333	8.40162	8.59275
8 h after light	7.042533333333333	6.8363	7.184069999999999
12 h after light	6.93222	6.83563	7.0053600000000005
4 h after dark	6.860523333333333	6.731089999999999	6.92939
8 h after dark	8.49671	8.194180000000001	8.65063
12 h after dark	10.018640000000001	9.77458	10.19213