condition	mean	min	max
0 h after light	17.72655	17.2017	18.2514
4 h after light	7.423724999999999	7.18211	7.66534
8 h after light	7.1241	6.14717	8.10103
4 h after dark	9.351635	8.15697	10.5463
8 h after dark	11.306899999999999	10.0948	12.519
12 h after dark	10.77372	8.51494	13.0325