651  
CDUS41 KPHI 030554  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1253 AM EST MON DEC 3 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 2 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 1159 PM 63 1998 45 6 50  
1980  
1970  
MINIMUM 42 220 AM 2 1967 28 14 25  
AVERAGE 47 37 10 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.54 0.86 1934 0.13 0.41 0.00  
MONTH TO DATE 0.79 0.26 0.53 T  
SINCE DEC 1 0.79 0.26 0.53 T  
SINCE JAN 1 61.51 42.03 19.48 48.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.6 1952 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE DEC 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 8.1 0.9 7.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 28 -10 27  
MONTH TO DATE 46 56 -10 51  
SINCE DEC 1 46 56 -10 51  
SINCE JUL 1 1109 1236 -127 964  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1287 757 530 1004    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 AM  
LOWEST 82 1200 AM  
AVERAGE 88  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 66 1998  
MINIMUM TEMPERATURE (F) 28 8 1976  
 
 
SUNRISE AND SUNSET  
DECEMBER 3 2018......SUNRISE 708 AM EST SUNSET 435 PM EST  
DECEMBER 4 2018......SUNRISE 709 AM EST SUNSET 435 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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