099  
CDUS41 KPHI 110551  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
151 AM EDT THU APR 11 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 10 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 60 413 PM 86 2013 59 1 48  
MINIMUM 41 1159 PM 23 1950 37 4 27  
AVERAGE 51 48 3 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.54 1993 0.13 -0.13 0.01  
MONTH TO DATE 0.55 1.22 -0.67 0.87  
SINCE MAR 1 4.44 4.61 -0.17 4.10  
SINCE JAN 1 12.06 10.34 1.72 12.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1918 0.0 0.0 T  
MONTH TO DATE T 0.5 -0.5 3.9  
SINCE MAR 1 11.5 5.4 6.1 24.6  
SINCE JUL 1 32.1 32.4 -0.3 49.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 17 -3 27  
MONTH TO DATE 146 186 -40 248  
SINCE MAR 1 933 989 -56 1091  
SINCE JUL 1 4775 5298 -523 4914  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE MAR 1 2 0 2 0  
SINCE JAN 1 2 0 2 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 700 AM  
LOWEST 33 400 PM  
AVERAGE 47  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 85 2017  
MINIMUM TEMPERATURE (F) 37 24 2018  
2007  
 
 
SUNRISE AND SUNSET  
APRIL 11 2019.........SUNRISE 630 AM EDT SUNSET 737 PM EDT  
APRIL 12 2019.........SUNRISE 628 AM EDT SUNSET 738 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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