condition	mean	min	max
4 h after light	7.835045000000001	7.50574	8.16435
8 h after light	12.3614	12.1056	12.6172
12 h after light	14.60995	14.2298	14.9901
4 h after dark	12.845666666666666	11.9973	13.333
8 h after dark	9.18015	7.7286	10.8879
12 h after dark	9.095126666666667	8.03063	10.1827