The average( arithmetic mean) of daily maximum temperature at a certain water station from July 1 to July 19 was 5 degrees higher than the average daily maximum temperature from July 13th to July18th.
1) Average daily maximum temperature from July 13th to July 18th was 4 degrees less than the maximum temp on July 19th.
2) The average daily maximum temperature from July 12th to July 10th was 84 degrees.
Please explain in clarity
You have once again forgotten to include the question so explaining the answer "with" clarity (know your idioms) will be problematic at best....
Former Senior Instructor, Manhattan GMAT and VeritasPrep
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MFE, Haas School of Business, UC Berkeley, Class of 2005
MBA, Anderson School of Management, UCLA, Class of 1993