condition	mean	min	max
4 h after light	14163.71278	13529.31667	15012.415
8 h after light	15400.363333333333	14168.6	16222.07
12 h after light	15641.90889	15174.93333	15979.36667
1.5 h after dark	24160.204446666667	21245.99	26602.29667
5.5 h after dark	15709.916666666666	13995.96	18728.20667
9.5 h after dark	14358.6	12987.80333	15179.18667