845  
CDUS41 KPHI 200554  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 19 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 417 PM 65 1929 44 0 58  
MINIMUM 25 646 AM 4 1884 29 -4 41  
AVERAGE 35 36 -1 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 2009 0.11 -0.11 0.00  
MONTH TO DATE 2.21 2.30 -0.09 0.75  
SINCE DEC 1 2.21 2.30 -0.09 0.75  
SINCE JAN 1 57.35 40.27 17.08 40.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 22.5 2009 0.2 -0.2 0.0  
MONTH TO DATE 0.3 1.7 -1.4 7.7  
SINCE DEC 1 0.3 1.7 -1.4 7.7  
SINCE JUL 1 3.9 2.0 1.9 7.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 29 1 15  
MONTH TO DATE 501 493 8 487  
SINCE DEC 1 501 493 8 487  
SINCE JUL 1 1403 1309 94 1122  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1584 1301 283 1490    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 700 AM  
LOWEST 45 100 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 64 1957  
1895  
MINIMUM TEMPERATURE (F) 29 1 1942  
1884  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 718 AM EST SUNSET 439 PM EST  
DECEMBER 21 2018......SUNRISE 719 AM EST SUNSET 439 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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