condition	mean	min	max
4 h after light	6.36476	5.30769	7.42183
8 h after light	5.01634	4.67311	5.35957
12 h after light	6.21748	5.83017	6.60479
4 h after dark	9.963396666666666	9.76505	10.1773
8 h after dark	10.5637	9.1608	12.0167
12 h after dark	6.648293333333333	5.4083	8.91879