Ratio data is interval data with a natural zero point. For example, time is ratio since 0 time is meaningful. Degrees Kelvin has a 0 point (absolute 0) and the steps in both these scales have the same degree of magnitude.
Bethlehem, PA Weather. The average temperature of Bethlehem is 51.25Â°F, which is higher than the Pennsylvania average temperature of 49.80Â°F and is lower than the national average temperature of 54.45Â°F. Historical Weather.
The lowest monthly average temperature in Philadelphia for February is 35 degrees. The most monthly precipitation in Philadelphia occurs in October with 5.5 inches. The air quality index in Philadelphia is 14% worse than the national average. The pollution index in Philadelphia is 144% worse than the national average.