Data is in inches; trials are in Pounds per Square Inch:

15 PSI	20 PSI	25 PSI	30 PSI	35 PSI	40 PSI	45 PSI	50 PSI	55 PSI	60 PSI
3.75	9.00	13.25	18.25	24.50	29.25	38.75	52.50	60.25	68.00
3.00	9.50	13.25	17.25	23.25	27.75	48.50	53.50	61.75	69.25
2.75	10.25	15.00	18.50	24.50	31.00	40.75	49.75	67.00	69.00
2.50	9.25	16.00	19.00	22.75	30.00	43.75	49.50	63.25	74.75
2.50	8.50	14.25	19.75	21.75	29.50	45.50	54.25	63.75	73.00
2.75	9.50	14.00	19.75	22.50	32.00	43.00	49.50	64.00	72.75
2.75	10.00	14.25	18.75	22.00	30.50	48.00	49.50	62.50	72.00
3.75	9.75	13.50	18.50	24.00	30.75	41.00	54.75	64.75	73.00
3.00	9.25	14.25	18.00	24.00	28.50	39.75	55.75	59.75	75.00
3.50	8.50	13.50	19.75	21.00	31.50	46.00	52.75	61.25	80.75
3.00	9.75								
3.00	9.00								
2.00	9.50								
2.75	9.75								
3.50	9.00