534  
CDUS41 KPBZ 120641  
CLIPIT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
141 AM EST TUE DEC 12 2023  
   
...............................  
 
   
..THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 11 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 39 956 AM 66 2007 42 -3 42  
MINIMUM 33 830 PM -2 1958 28 5 37  
AVERAGE 36 35 1 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.42 1944 0.10 -0.09 0.06  
MONTH TO DATE 0.95 1.04 -0.09 0.70  
SINCE DEC 1 0.95 1.04 -0.09 0.70  
SINCE JAN 1 30.75 37.81 -7.06 41.52  
 
SNOWFALL (IN)  
YESTERDAY T 10.7 1944 0.2 -0.2 0.0  
MONTH TO DATE T 2.2 -2.2 0.0  
SINCE DEC 1 T 2.2 -2.2 0.0  
SINCE JUL 1 0.6 5.0 -4.4 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 30 -1 25  
MONTH TO DATE 215 319 -104 285  
SINCE DEC 1 215 319 -104 285  
SINCE JUL 1 1156 1457 -301 1434  
 
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 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
MIXED PRECIP  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 200 AM  
LOWEST 56 1100 PM  
AVERAGE 68  
   
......................................................  
 
THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 68 2015  
MINIMUM TEMPERATURE (F) 28 -5 1962  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 735 AM EST SUNSET 454 PM EST  
DECEMBER 13 2023......SUNRISE 735 AM EST SUNSET 454 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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