condition	mean	min	max
3 h after light	12.221613333333334	9.45764	14.1605
6 h after light	10.848676666666666	8.67333	12.8105
9 h after light	13.415099999999999	11.6356	15.1581
12 h after light	17.940933333333334	17.7171	18.2513
3 h after dark	18.4957	16.9335	19.4859
6 h after dark	17.2946	17.1516	17.4833
9 h after dark	14.341	12.4148	16.4737
12 h after dark	10.22837	7.94481	12.6606