condition	mean	min	max
4 h after light	16.8056505	16.516853	17.094448
8 h after light	16.912865	14.142155	19.683575
12 h after light	14.1477685	12.642571	15.652966
4 h after dark	15.5938125	15.254011	15.933614
8 h after dark	13.940262	13.0309	14.849624
12 h after dark	24.135344	24.135344	24.135344