condition	mean	min	max
3 h after light	7.483223333333333	6.64126	8.29429
6 h after light	4.5260066666666665	4.11646	5.18393
9 h after light	4.56294	3.18357	5.39694
12 h after light	12.60995	11.1202	13.9352
3 h after dark	20.566200000000002	18.3212	24.7798
6 h after dark	22.956200000000003	21.0648	25.53
9 h after dark	21.4744	20.1985	22.9726
12 h after dark	15.121099999999998	14.7336	15.5086