Average Temperatures for Philadelphia. Philadelphia's coldest month is January when the average temperature overnight is 25.5Â°F. In July, the warmest month, the average day time temperature rises to 85.5Â°F.The driest month in Philadelphia is February with 2.74 inches of precipitation, and with 4.39 inches July is the wettest month.n July, the warmest month, the average day time temperature rises to 85.5Â°F. The driest month in Philadelphia is February with 2.74 inches of precipitation, and with 4.39 inches July is the wettest month.
1 A data set has three quartiles: the lower quartile, the median of the data set, and the upper quartile. 2  Median: The median divides a data set into two equal parts. 3  Lower quartile: Median of the lower half of the data. 4  Upper quartile: Median of the upper half of the data.
Quartiles Calculator Instructions This calculator computes the first, second and third quartiles from a data set: To calculate the quartiles from a set of values, enter the observed values in the box above.Values must be numeric and may be separated by commas, spaces or new-line.nstructions. This calculator computes the first, second and third quartiles from a data set: To calculate the quartiles from a set of values, enter the observed values in the box above. Values must be numeric and may be separated by commas, spaces or new-line.