condition	mean	min	max
4 h after light	8.33209	7.42741	9.23677
8 h after light	9.477364999999999	9.33757	9.61716
12 h after light	14.14915	13.7116	14.5867
4 h after dark	13.352333333333332	12.1442	14.3463
8 h after dark	13.789433333333333	11.9374	14.9399
12 h after dark	8.678326666666667	8.47645	8.86448