condition	mean	min	max
4 h after light	21.738599999999998	19.6325	23.8447
8 h after light	10.895990000000001	9.08878	12.7032
12 h after light	7.37116	7.07339	7.66893
4 h after dark	12.461533333333334	10.3052	14.6344
8 h after dark	17.5123	15.2814	21.4007
12 h after dark	18.853066666666667	17.148	20.4979