241  
CDUS41 KPHI 310556  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST THU JAN 31 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 30 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 29 118 PM 66 2013 37 -8 37  
1947  
MINIMUM 1 1159 PM -5 1928 20 -19 17  
AVERAGE 15 28 -13 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.96 1925 0.10 -0.08 0.09  
MONTH TO DATE 4.70 2.92 1.78 3.17  
SINCE DEC 1 10.94 6.50 4.44 5.05  
SINCE JAN 1 4.70 2.92 1.78 3.17  
 
SNOWFALL (IN)  
YESTERDAY 0.3 9.6 1966 0.4 -0.1 0.9  
MONTH TO DATE 7.1 9.6 -2.5 6.3  
SINCE DEC 1 7.1 14.8 -7.7 15.9  
SINCE JUL 1 15.2 15.5 -0.3 15.9  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 50 37 13 38  
MONTH TO DATE 1012 1118 -106 1086  
SINCE DEC 1 1866 2133 -267 2115  
SINCE JUL 1 2929 3313 -384 3028  
 
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 31 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
LIGHT SNOW  
BLOWING SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 200 PM  
LOWEST 35 600 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 60 1974  
MINIMUM TEMPERATURE (F) 20 -9 1948  
 
 
SUNRISE AND SUNSET  
JANUARY 31 2019.......SUNRISE 713 AM EST SUNSET 518 PM EST  
FEBRUARY 1 2019......SUNRISE 712 AM EST SUNSET 519 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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