605  
CDUS41 KPHI 042139  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
439 PM EST TUE DEC 4 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 4 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 43 1212 AM 72 1998 45 -2 50  
MINIMUM 37 359 PM 8 1966 27 10 27  
1940  
AVERAGE 40 36 4 39  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 25 29 -4 26  
MONTH TO DATE 88 114 -26 104  
SINCE DEC 1 88 114 -26 104  
SINCE JUL 1 1151 1294 -143 1017  
 
COOLING  
TODAY 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 12.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 100 AM  
LOWEST 44 200 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 69 2001  
MINIMUM TEMPERATURE (F) 27 11 1926  
 
 
SUNRISE AND SUNSET  
DECEMBER 4 2018......SUNRISE 709 AM EST SUNSET 435 PM EST  
DECEMBER 5 2018......SUNRISE 710 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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