626  
CDUS41 KPHI 212130  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
528 PM EDT TUE MAY 21 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 21 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 73 349 PM 92 1934 73 0 80  
MINIMUM 56 652 AM 32 2002 50 6 53  
AVERAGE 65 62 3 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.07 2001 0.13 -0.13 0.00  
MONTH TO DATE 7.58 2.71 4.87 3.59  
SINCE MAR 1 17.05 9.66 7.39 10.51  
SINCE JAN 1 24.67 15.39 9.28 19.18  
 
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 5 -5 0  
MONTH TO DATE 87 158 -71 56  
SINCE MAR 1 1144 1419 -275 1430  
SINCE JUL 1 4986 5728 -742 5253  
 
COOLING  
TODAY 0 2 -2 2  
MONTH TO DATE 33 16 17 39  
SINCE MAR 1 45 21 24 43  
SINCE JAN 1 45 21 24 43    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 1200 AM  
LOWEST 31 200 PM  
AVERAGE 42  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 96 1941  
MINIMUM TEMPERATURE (F) 50 33 2002  
 
 
SUNRISE AND SUNSET  
MAY 21 2019...........SUNRISE 540 AM EDT SUNSET 817 PM EDT  
MAY 22 2019...........SUNRISE 539 AM EDT SUNSET 818 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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