condition	mean	min	max
4 h after light	1.50659	1.13861	1.87457
8 h after light	1.32179	1.061	1.58258
12 h after light	1.213364	0.741858	1.68487
4 h after dark	0.861777	0.598265	1.1726
8 h after dark	0.37950833333333334	0.206775	0.690204
12 h after dark	0.47845066666666664	0.0	0.867332