073  
CDUS41 KPHI 130559  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1259 AM EST WED DEC 13 2023  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 3:52 PM 69 2015 47 -1 44  
MINIMUM 31 7:48 AM 8 1988 32 -1 32  
AVERAGE 39 40 -1 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 1983 0.14 -0.14 0.00  
MONTH TO DATE 3.20 1.62 1.58 1.31  
SINCE DEC 1 3.20 1.62 1.58 1.31  
SINCE JAN 1 37.47 41.76 -4.29 38.97  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.9 1960 0.1 -0.1 0.0  
MONTH TO DATE T 1.0 -1.0 0.0  
SINCE DEC 1 T 1.0 -1.0 0.0  
SINCE JUL 1 T 1.2 -1.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 26 0 27  
MONTH TO DATE 255 288 -33 271  
SINCE DEC 1 255 288 -33 271  
SINCE JUL 1 964 1083 -119 955  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1345 1359 -14 1743    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 11:00 PM  
LOWEST 40 3:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 71 2015  
MINIMUM TEMPERATURE (F) 32 8 1960  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 7:14 AM EST SUNSET 4:36 PM EST  
DECEMBER 14 2023......SUNRISE 7:14 AM EST SUNSET 4:37 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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