144  
CDUS41 KPHI 180552  
CLIRDG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST MON DEC 18 2023  
   
...............................
 
 
   
..THE READING PA CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1869 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 55 11:59 PM 62 1971 43 12 44  
2000  
MINIMUM 46 12:40 AM 2 1919 28 18 35  
AVERAGE 51 35 16 40  
 
PRECIPITATION (IN)  
YESTERDAY 1.07 1.92 1888 0.11 0.96 0.00  
MONTH TO DATE 4.10 2.03 2.07 2.66  
SINCE DEC 1 4.10 2.03 2.07 2.66  
SINCE JAN 1 42.92 43.73 -0.81 41.12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 30 -16 25  
MONTH TO DATE 397 470 -73 448  
SINCE DEC 1 397 470 -73 448  
SINCE JUL 1 1303 1464 -161 1353  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1118 1054 64 1336    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 10:00 PM  
LOWEST 76 12:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE READING PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 64 2006  
MINIMUM TEMPERATURE (F) 28 0 1919  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 7:21 AM EST SUNSET 4:39 PM EST  
DECEMBER 19 2023......SUNRISE 7:22 AM EST SUNSET 4:40 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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