condition	mean	min	max
4 h after light	12.228232	12.137858	12.318606
8 h after light	11.011229	10.962066	11.060392
12 h after light	12.442703999999999	12.397921	12.487487
4 h after dark	15.2119605	13.890744	16.533177
8 h after dark	16.234676	15.739908	16.729444
12 h after dark	10.835419	10.835419	10.835419