condition	mean	min	max
0 h after light	10.73929	9.54708	11.9315
4 h after light	15.36185	13.2145	17.5092
8 h after light	18.24715	17.5194	18.9749
4 h after dark	15.431049999999999	13.9776	16.8845
8 h after dark	13.8921	13.344	14.4402
12 h after dark	11.780899999999999	11.2421	12.3197