condition	mean	min	max
4 h after light	15.5493205	13.050705	18.047936
8 h after light	14.308988500000002	13.050705	15.567272
12 h after light	13.8061895	12.345942	15.266437
4 h after dark	12.824723	12.629193	13.020253
8 h after dark	13.1969085	12.360472	14.033345
12 h after dark	13.570866	13.570866	13.570866