condition	mean	min	max
3 h after light	20.21022	8.12926	27.6401
6 h after light	11.318546666666666	6.79664	16.906
9 h after light	7.7580599999999995	7.07362	8.113
12 h after light	10.862615	8.22374	13.4995
3 h after dark	15.824633333333333	12.9083	19.6588
6 h after dark	19.0673	10.3322	30.9122
9 h after dark	16.985136666666666	9.24711	30.4411
12 h after dark	12.514125	7.91275	17.1155