742  
CDUS41 KPHI 140552  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1251 AM EST FRI DEC 14 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 13 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 41 223 PM 68 2015 41 0 31  
MINIMUM 31 238 AM 5 1995 25 6 19  
1988  
1960  
AVERAGE 36 33 3 25  
 
PRECIPITATION (IN)  
YESTERDAY T 1.48 1996 0.12 -0.12 0.06  
MONTH TO DATE 0.79 1.69 -0.90 0.59  
SINCE DEC 1 0.79 1.69 -0.90 0.59  
SINCE JAN 1 61.51 43.46 18.05 48.89  
 
SNOWFALL (IN)  
YESTERDAY MM 7.2 1966 0.2 MM 0.3  
MONTH TO DATE T 1.7 -1.7 5.2  
SINCE DEC 1 T 1.7 -1.7 5.2  
SINCE JUL 1 8.1 2.4 5.7 5.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 32 -3 40  
MONTH TO DATE 407 391 16 383  
SINCE DEC 1 407 391 16 383  
SINCE JUL 1 1470 1571 -101 1296  
 
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 16 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 900 PM  
LOWEST 59 1000 AM  
AVERAGE 71  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 68 2015  
MINIMUM TEMPERATURE (F) 24 -2 2005  
 
 
SUNRISE AND SUNSET  
DECEMBER 14 2018......SUNRISE 718 AM EST SUNSET 435 PM EST  
DECEMBER 15 2018......SUNRISE 718 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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