condition	mean	min	max
4 h after light	6.8126999999999995	3.69127	9.5814
8 h after light	5.187373333333333	1.44305	8.06446
12 h after light	5.99644	4.18865	8.14128
4 h after dark	8.05638	7.56143	8.57492
8 h after dark	6.19041	5.28937	6.80865
12 h after dark	7.586366666666667	6.63105	9.30716