455  
CDUS41 KPHI 202139  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
439 PM EST WED DEC 20 2023  
   
...............................  
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 20 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 46 2:26 PM 64 1895 45 1 41  
1957  
MINIMUM 29 6:29 AM 1 1884 30 -1 27  
1942  
AVERAGE 38 38 0 34  
 
PRECIPITATION (IN)  
TODAY 0.00 1.32 1951 0.13 -0.13 0.00  
MONTH TO DATE 6.22 2.67 3.55 3.36  
SINCE DEC 1 6.22 2.67 3.55 3.36  
SINCE JAN 1 40.49 42.81 -2.32 41.02  
 
SNOWFALL (IN)  
TODAY 0.0 3.2 1966 0.1 -0.1 0.0  
MONTH TO DATE T 1.9 -1.9 T  
SINCE DEC 1 T 1.9 -1.9 T  
SINCE JUL 1 T 2.1 -2.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 28 -1 31  
MONTH TO DATE 430 501 -71 494  
SINCE DEC 1 430 501 -71 494  
SINCE JUL 1 1139 1296 -157 1178  
 
COOLING  
TODAY 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 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 1:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 48  
   
......................................................  
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 67 2013  
MINIMUM TEMPERATURE (F) 30 1 1942  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 7:18 AM EST SUNSET 4:39 PM EST  
DECEMBER 21 2023......SUNRISE 7:19 AM EST SUNSET 4:39 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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