condition	mean	min	max
4 h after light	2.149435	2.03819	2.26068
8 h after light	2.47049	2.13219	2.80879
12 h after light	5.5775749999999995	5.01791	6.13724
4 h after dark	11.240886666666666	9.89866	13.7749
8 h after dark	6.939803333333333	6.71416	7.12598
12 h after dark	7.726936666666667	7.03176	8.31744