condition	mean	min	max
4 h after light	13.2965	12.1522	14.4408
8 h after light	10.075235	9.72777	10.4227
12 h after light	12.017	11.8087	12.2253
4 h after dark	14.685500000000001	14.0778	15.2932
8 h after dark	17.8624	17.0308	18.694
12 h after dark	18.22605	18.1949	18.2572