889  
CDUS41 KPHI 282148  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
548 PM EDT TUE MAY 28 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 27 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 10:36 AM 91 1965 76 1 81  
1991  
MINIMUM 64 11:59 PM 38 1972 54 10 43  
AVERAGE 71 65 6 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.63 1.34 1946 0.13 0.50 0.00  
MONTH TO DATE 3.76 3.14 0.62 0.24  
SINCE MAR 1 14.46 10.44 4.02 9.02  
SINCE JAN 1 23.11 16.51 6.60 14.14  
 
SNOWFALL (IN)  
YESTERDAY 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 T 6.8 -6.8 1.2  
SINCE JUL 1 25.2 33.1 -7.9 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 3  
MONTH TO DATE 106 141 -35 191  
SINCE MAR 1 1113 1299 -186 1286  
SINCE JUL 1 4852 5265 -413 4991  
 
COOLING  
YESTERDAY 6 3 3 0  
MONTH TO DATE 69 47 22 4  
SINCE MAR 1 80 55 25 17  
SINCE JAN 1 80 55 25 17    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 69 10:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 93 1941  
MINIMUM TEMPERATURE (F) 54 38 1997  
 
SUNRISE AND SUNSET  
MAY 28 2024...........SUNRISE 5:35 AM EDT SUNSET 8:24 PM EDT  
MAY 29 2024...........SUNRISE 5:34 AM EDT SUNSET 8:25 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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