condition	mean	min	max
4 h after light	24.3828	21.1608	27.6048
8 h after light	21.5606	20.3269	22.7943
12 h after light	15.054749999999999	14.4713	15.6382
4 h after dark	13.933900000000001	13.6217	14.3457
8 h after dark	15.7194	15.26	16.2055
12 h after dark	19.514266666666668	18.6963	20.3156