condition	mean	min	max
4 h after light	14.113199999999999	12.385	15.8414
8 h after light	8.088944999999999	7.58581	8.59208
12 h after light	5.75394	5.74154	5.76634
4 h after dark	6.027063333333333	5.70308	6.61273
8 h after dark	8.344276666666667	7.72834	8.75529
12 h after dark	11.955333333333334	11.5801	12.184