condition	mean	min	max
4 h after light	22.293522	22.142799	22.444245
8 h after light	22.7882375	20.74592	24.830555
12 h after light	21.314401	20.74592	21.882882
4 h after dark	17.4264655	14.107011	20.74592
8 h after dark	16.207062	15.513183	16.900941
12 h after dark	24.17905	24.17905	24.17905