condition	mean	min	max
4 h after light	9.311583333333335	4.16485	13.3312
8 h after light	5.184183333333333	1.26705	8.20979
12 h after light	5.94874	4.11257	7.16834
4 h after dark	11.18054	7.59432	14.3397
8 h after dark	12.478646666666666	9.48984	15.8588
12 h after dark	12.531600000000001	10.7646	14.1826