condition	mean	min	max
4 h after light	7.449199999999999	7.12352	7.77488
8 h after light	5.64128	4.65055	6.63201
12 h after light	7.63289	6.69948	8.5663
4 h after dark	11.018045	9.77099	12.2651
8 h after dark	11.04765	10.6199	11.4754
12 h after dark	11.511199999999999	11.434	11.5884