141  
CDUS41 KPHI 042133  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
531 PM EDT SAT MAY 4 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 4 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 77 337 PM 92 2001 68 9 85  
MINIMUM 57 549 AM 31 2002 44 13 63  
1957  
AVERAGE 67 56 11 74  
 
PRECIPITATION (IN)  
TODAY 0.04 1.20 1934 0.12 -0.08 0.03  
MONTH TO DATE 0.51 0.47 0.04 0.15  
SINCE MAR 1 9.98 7.42 2.56 7.07  
SINCE JAN 1 17.60 13.15 4.45 15.74  
 
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 9 -9 0  
MONTH TO DATE 17 39 -22 6  
SINCE MAR 1 1074 1300 -226 1380  
SINCE JUL 1 4916 5609 -693 5203  
 
COOLING  
TODAY 2 0 2 9  
MONTH TO DATE 4 0 4 20  
SINCE MAR 1 16 5 11 24  
SINCE JAN 1 16 5 11 24    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 700 AM  
LOWEST 56 300 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1949  
MINIMUM TEMPERATURE (F) 45 31 1976  
 
 
SUNRISE AND SUNSET  
MAY 4 2019...........SUNRISE 557 AM EDT SUNSET 801 PM EDT  
MAY 5 2019...........SUNRISE 556 AM EDT SUNSET 802 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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