July Daily/Monthly Normals for Clarksburg

NOTES:

• Temperatures are degrees F, precipitation is inches of liquid. All normals are based on the period 1971-2000.
• HDD=Heating degree days, CDD=Cooling degree days
• For some dates the degree days are shown by a pound sign (#). The symbol represents a value of less than one degree day, but more than zero degree days. It is used to smooth through aperiodic oscillations of zeroes and ones that are climatologically unreasonable. For example, if a station has 17, 15, and 18 normal heating degree days in June, July, and August, respectively, it is not possible to distribute the 15 July degree days evenly throughout the month using integer values (zeroes and ones) without creating unrealistic oscillations through the 3-month period. The use of fractional degree days (pound signs) does allow for a smooth transition from June through July to August.
• Daily normal precipitation values are more appropriate for calculating normals over a period of at least several days, rather than on a strict day-to-day basis.

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