condition	mean	min	max
0 h after light	15.8107	15.6509	15.9705
4 h after light	13.5393	13.1342	13.9444
8 h after light	7.854464999999999	7.70606	8.00287
4 h after dark	12.07185	11.3675	12.7762
8 h after dark	23.902	23.8583	23.9457
12 h after dark	15.13505	14.2768	15.9933