966  
CDUS41 KPHI 120555  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
155 AM EDT MON MAY 12 2025  
   
...............................  
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR MAY 11 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1872 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 2:03 PM 93 1896 73 9 66  
MINIMUM 55 4:17 AM 28 1966 53 2 46  
AVERAGE 69 63 6 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.82 1981 0.11 -0.11 T  
MONTH TO DATE 0.37 1.12 -0.75 0.70  
SINCE MAR 1 8.56 8.55 0.01 12.05  
SINCE JAN 1 11.54 14.43 -2.89 19.45  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 3.9 -3.9 0.0  
SINCE JUL 1 8.1 23.1 -15.0 11.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 9  
MONTH TO DATE 10 54 -44 46  
SINCE MAR 1 747 1050 -303 828  
SINCE JUL 1 3968 4450 -482 3783  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 44 15 29 34  
SINCE MAR 1 62 31 31 60  
SINCE JAN 1 62 31 31 60    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 6:00 AM  
LOWEST 26 5:00 PM  
AVERAGE 46  
   
......................................................  
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 1881  
MINIMUM TEMPERATURE (F) 53 37 1962  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 5:49 AM EDT SUNSET 8:07 PM EDT  
MAY 13 2025...........SUNRISE 5:48 AM EDT SUNSET 8:08 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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