837  
CDUS41 KPHI 020553  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST WED JAN 2 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 1 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 57 928 AM 62 2005 37 20 19  
MINIMUM 39 1035 PM -3 1968 20 19 3  
AVERAGE 48 28 20 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.41 1945 0.09 -0.08 0.00  
MONTH TO DATE 0.01 0.09 -0.08 0.00  
SINCE DEC 1 6.25 3.67 2.58 1.88  
SINCE JAN 1 0.01 0.09 -0.08 0.00  
 
SNOWFALL (IN)  
YESTERDAY T 7.8 1971 0.3 -0.3 0.0  
MONTH TO DATE T 0.3 -0.3 0.0  
SINCE DEC 1 T 5.5 -5.5 9.6  
SINCE JUL 1 8.1 6.2 1.9 9.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 37 -20 54  
MONTH TO DATE 17 37 -20 54  
SINCE DEC 1 871 1052 -181 1083  
SINCE JUL 1 1934 2232 -298 1996  
 
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 24 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.7  
 
 
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 92 300 AM  
LOWEST 50 100 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 59 1979  
MINIMUM TEMPERATURE (F) 20 -7 1968  
 
 
SUNRISE AND SUNSET  
JANUARY 2 2019.......SUNRISE 726 AM EST SUNSET 446 PM EST  
JANUARY 3 2019.......SUNRISE 726 AM EST SUNSET 447 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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