577  
CDUS41 KPBZ 210632  
CLIPIT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
132 AM EST THU DEC 21 2023  
   
...............................  
 
   
..THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 20 2023  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 40 506 PM 64 1895 39 1 34  
MINIMUM 20 731 AM -4 1963 26 -6 22  
AVERAGE 30 33 -3 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.08 2018 0.08 -0.08 0.00  
MONTH TO DATE 1.48 1.82 -0.34 1.36  
SINCE DEC 1 1.48 1.82 -0.34 1.36  
SINCE JAN 1 31.28 38.59 -7.31 42.18  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.9 1960 0.3 -0.3 0.0  
MONTH TO DATE 1.1 4.4 -3.3 1.3  
SINCE DEC 1 1.1 4.4 -3.3 1.3  
SINCE JUL 1 1.7 7.2 -5.5 4.6  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 32 3 37  
MONTH TO DATE 463 602 -139 586  
SINCE DEC 1 463 602 -139 586  
SINCE JUL 1 1404 1740 -336 1735  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 794 797 -3 851    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 600 AM  
LOWEST 44 400 PM  
AVERAGE 63  
   
......................................................  
 
THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 67 1967  
MINIMUM TEMPERATURE (F) 26 -6 1989  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 741 AM EST SUNSET 457 PM EST  
DECEMBER 22 2023......SUNRISE 741 AM EST SUNSET 458 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 
WM  
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