condition	mean	min	max
4 h after light	6.974215	5.32475	8.62368
8 h after light	8.394865	7.50724	9.28249
12 h after light	3.62003	2.91316	4.3269
4 h after dark	1.5238833333333333	1.42748	1.7098
8 h after dark	3.0775066666666664	2.34351	4.00733
12 h after dark	4.2265999999999995	3.89653	4.79047