condition	mean	min	max
4 h after light	3.411855	3.34577	3.47794
8 h after light	8.042075	7.82283	8.26132
12 h after light	6.433745	6.38487	6.48262
4 h after dark	4.907355	4.61296	5.20175
8 h after dark	3.59387	3.18268	4.00506
12 h after dark	3.8012699999999997	3.73902	3.86352