condition	mean	min	max
4 h after light	10.52448	6.86384	13.1357
8 h after light	8.489263333333334	2.69441	14.3479
12 h after light	10.82855	5.60735	16.5432
4 h after dark	16.299933333333335	11.2953	19.942
8 h after dark	17.193366666666666	12.3352	20.8162
12 h after dark	15.3969	14.851	16.2766