condition	mean	min	max
4 h after light	5.325964666666667	2.866535	7.0027669999999995
8 h after light	4.855863	3.6819889999999997	5.761555
12 h after light	3.3141296666666666	2.054643	4.324318
16 h after light	8.489813	7.45021	9.790963
4 h after dark	12.897521	7.827137	21.71845
8 h after dark	3.8225943333333334	2.153468	6.760261