434  
CDUS41 KPHI 300553  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1253 AM EST WED JAN 30 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 29 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 32 1022 PM 66 2002 37 -5 45  
MINIMUM 20 250 AM -9 1963 20 0 32  
AVERAGE 26 28 -2 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 1.66 1990 0.10 0.18 0.00  
MONTH TO DATE 4.68 2.82 1.86 3.08  
SINCE DEC 1 10.92 6.40 4.52 4.96  
SINCE JAN 1 4.68 2.82 1.86 3.08  
 
SNOWFALL (IN)  
YESTERDAY 3.9 10.0 1922 0.4 3.5 0.0  
MONTH TO DATE 6.8 9.2 -2.4 5.4  
SINCE DEC 1 6.8 14.4 -7.6 15.0  
SINCE JUL 1 14.9 15.1 -0.2 15.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 37 2 26  
MONTH TO DATE 962 1081 -119 1048  
SINCE DEC 1 1816 2096 -280 2077  
SINCE JUL 1 2879 3276 -397 2990  
 
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 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 800 PM  
LOWEST 55 600 AM  
AVERAGE 74  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 66 2013  
1947  
MINIMUM TEMPERATURE (F) 20 -5 1928  
 
 
SUNRISE AND SUNSET  
JANUARY 30 2019.......SUNRISE 714 AM EST SUNSET 517 PM EST  
JANUARY 31 2019.......SUNRISE 713 AM EST SUNSET 518 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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