897  
CDUS41 KPHI 102130  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
529 PM EDT FRI MAY 10 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 10 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 318 PM 91 1979 70 7 77  
MINIMUM 56 209 AM 28 1947 46 10 50  
AVERAGE 67 58 9 64  
 
PRECIPITATION (IN)  
TODAY 0.07 1.37 1990 0.13 -0.06 0.01  
MONTH TO DATE 3.84 1.24 2.60 0.33  
SINCE MAR 1 13.31 8.19 5.12 7.25  
SINCE JAN 1 20.93 13.92 7.01 15.92  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 11.5 5.9 5.6 24.6  
SINCE JUL 1 32.1 32.9 -0.8 49.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 1  
MONTH TO DATE 29 89 -60 19  
SINCE MAR 1 1086 1350 -264 1393  
SINCE JUL 1 4928 5659 -731 5216  
 
COOLING  
TODAY 2 1 1 0  
MONTH TO DATE 9 4 5 21  
SINCE MAR 1 21 9 12 25  
SINCE JAN 1 21 9 12 25    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 600 AM  
LOWEST 64 300 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1993  
1948  
MINIMUM TEMPERATURE (F) 47 31 1966  
 
 
SUNRISE AND SUNSET  
MAY 10 2019...........SUNRISE 550 AM EDT SUNSET 807 PM EDT  
MAY 11 2019...........SUNRISE 549 AM EDT SUNSET 808 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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