condition	mean	min	max
3 h after light	7.186383333333334	7.01805	7.45808
6 h after light	7.2934399999999995	6.02888	8.3172
9 h after light	7.6280833333333335	6.54469	8.67001
12 h after light	16.1907	15.6593	16.6506
3 h after dark	15.0421	14.5863	15.741
6 h after dark	13.8517	13.0899	15.0322
9 h after dark	11.185293333333334	9.33688	14.0913
12 h after dark	6.643393333333333	5.63087	7.52657