condition	mean	min	max
4 h after light	8.005799999999999	6.60223	9.40937
8 h after light	13.8628	13.5044	14.2212
12 h after light	10.12949	9.08618	11.1728
4 h after dark	10.33445	10.1725	10.4964
8 h after dark	9.12051	9.05934	9.18168
12 h after dark	7.89171	7.28424	8.49918