condition	mean	min	max
0 h after light	6.274509999999999	6.24355	6.30547
4 h after light	7.308154999999999	5.99819	8.61812
8 h after light	14.10825	11.8032	16.4133
4 h after dark	15.3593	14.9507	15.7679
8 h after dark	12.88675	11.0684	14.7051
12 h after dark	10.465885	8.90737	12.0244