Just to make it international and line up... (hope this works!!)(posted 8531 days ago)
Fahrenheit 64.00 65.00 66.00 67.00 68.00 69.00 70.00 71.00 72.00 73.00 74.00 75.00 76.00 77.00 Celsius 17.78 18.33 18.89 19.44 20.00 20.56 21.11 21.67 22.22 22.78 23.33 23.89 24.44 25.00 Factor 1.23 1.16 1.10 1.05 1.00 0.95 0.90 0.85 0.81 0.78 0.75 0.72 0.69 0.66