condition	mean	min	max
4 h after light	6.25755	5.77476	6.74034
8 h after light	5.440939999999999	4.11974	6.76214
12 h after light	4.714095	3.75508	5.67311
4 h after dark	7.26877	5.78698	8.26117
8 h after dark	8.028516666666667	7.74452	8.3033
12 h after dark	7.085943333333334	6.30815	7.93745