condition	mean	min	max
4 h after light	16.892369	16.253182	17.531556
8 h after light	18.4968085	17.531556	19.462061
12 h after light	17.00713	16.304879	17.709381
4 h after dark	18.02855	17.531556	18.525544
8 h after dark	20.4497315	19.814545	21.084918
12 h after dark	13.800349	13.800349	13.800349