condition	mean	min	max
4 h after light	15.176737	12.298109	18.055365
8 h after light	13.2007285	12.904104	13.497353
12 h after light	12.890256	12.888331	12.892181
4 h after dark	13.175069	11.835029	14.515109
8 h after dark	13.697908	13.271741	14.124075
12 h after dark	14.22153	14.22153	14.22153