condition	mean	min	max
4 h after light	7.211494999999999	6.67861	7.74438
8 h after light	6.45242	6.13885	6.76599
12 h after light	8.030185	7.6731	8.38727
4 h after dark	10.2564	6.56491	15.4991
8 h after dark	12.86568	8.6745	20.4209
12 h after dark	10.773843333333334	9.34953	12.8777