329  
CDUS41 KCTP 180719  
CLIMDT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE STATE COLLEGE PA  
219 AM EST WED DEC 18 2024  
   
...............................
 
 
   
..THE HARRISBURG PA CLIMATE SUMMARY FOR DECEMBER 17 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1888 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 340 PM 60 2021 43 10 55  
MINIMUM 32 1008 PM 0 1951 28 4 43  
AVERAGE 43 35 8 49  
 
PRECIPITATION (IN)  
YESTERDAY T 1.69 2000 0.10 -0.10 1.62  
MONTH TO DATE 2.68 1.98 0.70 3.39  
SINCE DEC 1 2.68 1.98 0.70 3.39  
SINCE JAN 1 41.99 42.78 -0.79 35.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.1 1973 0.2 -0.2 0.0  
MONTH TO DATE 0.8 2.1 -1.3 T  
SINCE DEC 1 0.8 2.1 -1.3 T  
SINCE JUL 1 0.8 3.1 -2.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 30 -8 16  
MONTH TO DATE 517 468 49 416  
SINCE DEC 1 517 468 49 416  
SINCE JUL 1 1258 1422 -164 1271  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1391 1172 219 1178    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 70 600 PM  
AVERAGE 85  
   
......................................................
 
 
THE HARRISBURG PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 64 2006  
MINIMUM TEMPERATURE (F) 28 2 1919  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 725 AM EST SUNSET 443 PM EST  
DECEMBER 19 2024......SUNRISE 725 AM EST SUNSET 444 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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