THE PITTSBURGH PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER, 2017.

Temperature

  • THE MAXIMUM TEMPERATURE FOR THE PERIOD WAS 59 WHICH OCCURRED ON THE 4TH.
  • THE RECORD MAXIMUM TEMPERATURE FOR DECEMBER IS 74 DEGREES WHICH WAS SET IN 1982.
  • THE MINIMUM TEMPERATURE FOR THE MONTH WAS 0 WHICH OCCURRED ON THE 31ST.
  • THE RECORD MINIMUM TEMPERATURE FOR DECEMBER IS -12 DEGREES WHICH WAS SET IN 1983 AND 1989.
  • THE AVERAGE TEMPERATURE WAS 30.6 DEGREES, WHICH IS 1.8 DEGREES BELOW THE NORMAL AVERAGE TEMPERATURE OF 32.4 DEGREES.
  • THE MAXIMUM TEMPERATURE WAS 32 DEGREES OR LOWER 10 TIMES.
  • THE MINIMUM TEMPERATURE FELL BELOW 32 DEGREES 17 TIMES AND TO ZERO OR BELOW 1 TIME.

Precipitation

  • A TOTAL OF 1.77 INCHES OF PRECIPITATION FELL DURING THE PERIOD WHICH IS 1.08 INCHES BELOW THE NORMAL AMOUNT OF 2.85.
  • 16 DAYS WITH GREATER THAN OR EQUAL TO 0.01 INCHES OF PRECIPITATION WERE OBSERVED.
  • 0.10 INCHES OF PRECIPITATION OR GREATER FELL ON 5 DAYS.
  • NEITHER 0.50 INCHES OR 1.00 INCHES OF PRECIPITATION OR GREATER WAS OBSERVED.
  • THE MAXIMUM 24 HOUR PRECIPITATION WAS 0.47 INCHES ON DECEMBER 23.
  • THE AVERAGE DAILY PRECIPITATION FOR THE PERIOD WAS 0.06 INCHES.

Snowfall

  • 13.3 INCHES OF SNOW FELL IN DECEMBER.
  • THE MAXIMUM 24 HOUR SNOWFALL WAS 3.9 INCHES ON THE 30TH.

Heating Degrees

THERE WERE 1057 HEATING DEGREE DAYS THIS MONTH, WHICH IS 45 ABOVE THE NORMAL AMOUNT OF 1012.

Wind

  • THE MEAN WIND FOR THE PERIOD WAS 7.5 MILES PER HOUR.
  • THE MAXIMUM WIND WAS 32 MILES PER HOUR FROM THE WEST AND OCCURRED ON DECEMBER 25.  T
  • HE MAXIMUM WIND GUST WAS 41 MILES PER HOUR FROM THE WEST AND OCCURRED ON DECEMBER 25.

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