condition	mean	min	max
4 h after light	16.997949000000002	9.856807	23.24152
8 h after light	21.494971	8.676113	32.09917
12 h after light	15.155113333333333	11.86005	17.60229
16 h after light	17.457726666666666	14.98524	19.37336
4 h after dark	16.285306666666667	13.68033	19.88361
8 h after dark	18.86824	16.51776	21.946820000000002