condition	mean	min	max
4 h after light	8.56258	6.80076	10.3244
8 h after light	5.7542	5.67252	5.83588
12 h after light	11.485949999999999	10.8666	12.1053
4 h after dark	17.2668	15.7672	18.1917
8 h after dark	14.614266666666666	14.253	14.8205
12 h after dark	10.51643	8.98659	11.7428