873  
CDUS41 KPHI 210556  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST FRI DEC 21 2018  
 
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 20 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 59 1159 PM 64 1957 43 16 50  
1895  
MINIMUM 28 440 AM 1 1942 29 -1 34  
1884  
AVERAGE 44 36 8 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.56 1.32 1951 0.11 0.45 0.00  
MONTH TO DATE 2.77 2.41 0.36 0.75  
SINCE DEC 1 2.77 2.41 0.36 0.75  
SINCE JAN 1 57.91 40.38 17.53 40.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.2 1966 0.1 -0.1 0.0  
MONTH TO DATE 0.3 1.8 -1.5 7.7  
SINCE DEC 1 0.3 1.8 -1.5 7.7  
SINCE JUL 1 3.9 2.1 1.8 7.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 29 -8 23  
MONTH TO DATE 522 522 0 510  
SINCE DEC 1 522 522 0 510  
SINCE JUL 1 1424 1338 86 1145  
 
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 22 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 79 100 PM  
AVERAGE 90  
   
......................................................
 
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 67 2013  
MINIMUM TEMPERATURE (F) 29 1 1942  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2018......SUNRISE 719 AM EST SUNSET 439 PM EST  
DECEMBER 22 2018......SUNRISE 719 AM EST SUNSET 440 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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