861  
CDUS41 KPHI 050553  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1253 AM EST WED DEC 5 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 4 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 43 1212 AM 72 1998 45 -2 50  
MINIMUM 24 1108 PM 8 1966 27 -3 27  
1940  
AVERAGE 34 36 -2 39  
 
PRECIPITATION (IN)  
YESTERDAY T 1.63 1950 0.13 -0.13 0.00  
MONTH TO DATE 0.79 0.53 0.26 T  
SINCE DEC 1 0.79 0.53 0.26 T  
SINCE JAN 1 61.51 42.30 19.21 48.30  
 
SNOWFALL (IN)  
YESTERDAY T 4.1 1957 0.2 -0.2 0.0  
MONTH TO DATE T 0.5 -0.5 0.0  
SINCE DEC 1 T 0.5 -0.5 0.0  
SINCE JUL 1 8.1 1.2 6.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 29 2 26  
MONTH TO DATE 94 114 -20 104  
SINCE DEC 1 94 114 -20 104  
SINCE JUL 1 1157 1294 -137 1017  
 
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 21 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 100 AM  
LOWEST 44 200 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 69 2001  
MINIMUM TEMPERATURE (F) 27 11 1926  
 
 
SUNRISE AND SUNSET  
DECEMBER 5 2018......SUNRISE 710 AM EST SUNSET 434 PM EST  
DECEMBER 6 2018......SUNRISE 711 AM EST SUNSET 434 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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