372  
CDUS41 KPHI 110551  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1251 AM EST MON JAN 11 2021  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR JANUARY 10 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1872 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 3:54 PM 65 2016 40 6 55  
MINIMUM 30 5:35 AM -5 1875 26 4 28  
AVERAGE 38 33 5 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1881 0.10 -0.10 0.00  
MONTH TO DATE 1.04 0.96 0.08 0.49  
SINCE DEC 1 5.42 4.52 0.90 5.70  
SINCE JAN 1 1.04 0.96 0.08 0.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.6 1965 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.7 -1.7 T  
SINCE DEC 1 6.6 5.1 1.5 0.1  
SINCE JUL 1 6.6 5.4 1.2 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 32 -5 23  
MONTH TO DATE 271 318 -47 255  
SINCE DEC 1 1079 1172 -93 1061  
SINCE JUL 1 1673 1988 -315 1860  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.2  
 
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 66 10:00 PM  
LOWEST 31 4:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 67 2020  
MINIMUM TEMPERATURE (F) 26 1 1982  
 
SUNRISE AND SUNSET  
JANUARY 11 2021.......SUNRISE 7:22 AM EST SUNSET 4:57 PM EST  
JANUARY 12 2021.......SUNRISE 7:22 AM EST SUNSET 4:58 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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