400  
CDUS41 KPHI 160554  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST SAT DEC 16 2023  
   
...............................  
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 15 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 57 3:40 PM 69 2015 46 11 47  
MINIMUM 32 6:06 AM 7 1960 31 1 33  
AVERAGE 45 39 6 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 2022 0.13 -0.13 1.90  
MONTH TO DATE 3.20 2.02 1.18 3.21  
SINCE DEC 1 3.20 2.02 1.18 3.21  
SINCE JAN 1 37.47 42.16 -4.69 40.87  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1916 0.1 -0.1 T  
MONTH TO DATE T 1.3 -1.3 T  
SINCE DEC 1 T 1.3 -1.3 T  
SINCE JUL 1 T 1.5 -1.5 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 26 -6 25  
MONTH TO DATE 328 366 -38 358  
SINCE DEC 1 328 366 -38 358  
SINCE JUL 1 1037 1161 -124 1042  
 
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 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 4:00 AM  
LOWEST 33 2:00 PM  
AVERAGE 54  
   
......................................................  
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 68 1971  
MINIMUM TEMPERATURE (F) 31 9 1876  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 7:16 AM EST SUNSET 4:37 PM EST  
DECEMBER 17 2023......SUNRISE 7:16 AM EST SUNSET 4:38 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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