condition	mean	min	max
4 h after light	6.182605000000001	5.04811	7.3171
8 h after light	3.137935	2.60007	3.6758
12 h after light	6.84262	6.64261	7.04263
4 h after dark	15.515166666666666	14.3113	16.1636
8 h after dark	14.856933333333334	11.5145	17.4163
12 h after dark	12.227566666666666	11.4436	13.1812