condition	mean	min	max
4 h after light	6.555565	5.13955	7.97158
8 h after light	4.70554	4.35281	5.05827
12 h after light	7.92419	7.89822	7.95016
4 h after dark	10.115013333333334	9.31714	10.5312
8 h after dark	12.351193333333333	9.93368	13.9073
12 h after dark	8.17467	6.57516	9.11347