condition	mean	min	max
4 h after light	16.08395	12.3322	19.8357
8 h after light	18.177	16.7069	19.6471
12 h after light	18.8143	18.3672	19.2614
4 h after dark	24.927266666666668	23.3336	26.5639
8 h after dark	26.1348	20.2728	30.1438
12 h after dark	17.039633333333335	12.7844	20.6148