condition	mean	min	max
4 h after light	6.53734	5.5889	7.48578
8 h after light	6.144545	5.33779	6.9513
12 h after light	6.60416	6.21732	6.991
4 h after dark	8.44725	6.7605	10.134
8 h after dark	10.22515	10.0394	10.4109
12 h after dark	8.53995	6.9272	10.1527