992  
CDUS41 KPHI 210624  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
224 AM EDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 20 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 81 3:57 PM 92 1962 75 6 68  
1996  
MINIMUM 53 4:54 AM 32 2002 52 1 51  
AVERAGE 67 63 4 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.92 1984 0.12 -0.12 0.05  
MONTH TO DATE 2.39 2.29 0.10 0.24  
SINCE MAR 1 13.09 9.59 3.50 9.02  
SINCE JAN 1 21.74 15.66 6.08 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 4 -4 5  
MONTH TO DATE 106 116 -10 168  
SINCE MAR 1 1113 1274 -161 1263  
SINCE JUL 1 4852 5240 -388 4968  
 
COOLING  
YESTERDAY 2 2 0 0  
MONTH TO DATE 22 28 -6 4  
SINCE MAR 1 33 36 -3 17  
SINCE JAN 1 33 36 -3 17    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1934  
MINIMUM TEMPERATURE (F) 52 32 2002  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:39 AM EDT SUNSET 8:18 PM EDT  
MAY 22 2024...........SUNRISE 5:39 AM EDT SUNSET 8:19 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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