693  
CDUS41 KPHI 040555  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1255 AM EST FRI JAN 4 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 3 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 335 PM 63 1997 36 8 27  
MINIMUM 29 1137 PM -3 2014 20 9 2  
AVERAGE 37 28 9 15  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.30 1925 0.10 -0.09 0.00  
MONTH TO DATE 0.02 0.28 -0.26 0.00  
SINCE DEC 1 6.26 3.86 2.40 1.88  
SINCE JAN 1 0.02 0.28 -0.26 0.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 15.0 1925 0.3 -0.3 0.0  
MONTH TO DATE T 0.8 -0.8 0.0  
SINCE DEC 1 T 6.0 -6.0 9.6  
SINCE JUL 1 8.1 6.7 1.4 9.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 37 -9 50  
MONTH TO DATE 71 111 -40 154  
SINCE DEC 1 925 1126 -201 1183  
SINCE JUL 1 1988 2306 -318 2096  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1200 AM  
LOWEST 50 600 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 66 1950  
MINIMUM TEMPERATURE (F) 20 -4 2014  
1981  
 
 
SUNRISE AND SUNSET  
JANUARY 4 2019.......SUNRISE 726 AM EST SUNSET 448 PM EST  
JANUARY 5 2019.......SUNRISE 726 AM EST SUNSET 449 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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