condition	mean	min	max
4 h after light	9.3408805	9.312878	9.368883
8 h after light	8.7833485	8.633444	8.933253
12 h after light	8.475505	7.847117	9.103893
4 h after dark	8.404655	8.154202	8.655108
8 h after dark	8.689895	8.349094	9.030696
12 h after dark	7.082213	7.082213	7.082213