451  
CDUS41 KPHI 010555  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1253 AM EST FRI FEB 1 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 31 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 14 450 PM 60 1974 37 -23 31  
MINIMUM -3 153 AM -9 1948 20 -23 12  
AVERAGE 6 28 -22 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.63 2013 0.11 -0.11 0.00  
MONTH TO DATE 4.70 3.03 1.67 3.17  
SINCE DEC 1 10.94 6.61 4.33 5.05  
SINCE JAN 1 4.70 3.03 1.67 3.17  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 2000 0.4 -0.4 0.0  
MONTH TO DATE 7.1 10.0 -2.9 6.3  
SINCE DEC 1 7.1 15.2 -8.1 15.9  
SINCE JUL 1 15.2 15.9 -0.7 15.9  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 59 37 22 43  
MONTH TO DATE 1071 1155 -84 1129  
SINCE DEC 1 1925 2170 -245 2158  
SINCE JUL 1 2988 3350 -362 3071  
 
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 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 1000 PM  
LOWEST 38 100 AM  
AVERAGE 49  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 65 1989  
MINIMUM TEMPERATURE (F) 20 -5 1935  
 
 
SUNRISE AND SUNSET  
FEBRUARY 1 2019......SUNRISE 712 AM EST SUNSET 519 PM EST  
FEBRUARY 2 2019......SUNRISE 711 AM EST SUNSET 521 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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