condition	mean	min	max
0 h after light	5.175835	4.29244	6.05923
4 h after light	6.04708	5.16889	6.92527
8 h after light	6.7684	5.79097	7.74583
4 h after dark	7.682365	6.51521	8.84952
8 h after dark	6.5634	5.95696	7.16984
12 h after dark	4.22301	2.72788	5.71814