condition	mean	min	max
4 h after light	10.07874	8.43178	11.7257
8 h after light	6.536745	5.95508	7.11841
12 h after light	8.631454999999999	8.57419	8.68872
4 h after dark	15.8986	13.2404	17.6005
8 h after dark	14.064133333333334	12.5256	15.2105
12 h after dark	14.392866666666666	13.2539	15.9406