147  
CDUS41 KPHI 220559  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
159 AM EDT WED MAY 22 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 21 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 85 2:29 PM 92 1934 75 10 77  
MINIMUM 57 4:53 AM 32 2002 52 5 50  
AVERAGE 71 64 7 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.07 2001 0.11 -0.11 0.00  
MONTH TO DATE 2.39 2.40 -0.01 0.24  
SINCE MAR 1 13.09 9.70 3.39 9.02  
SINCE JAN 1 21.74 15.77 5.97 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 1  
MONTH TO DATE 106 120 -14 169  
SINCE MAR 1 1113 1278 -165 1264  
SINCE JUL 1 4852 5244 -392 4969  
 
COOLING  
YESTERDAY 6 2 4 0  
MONTH TO DATE 28 30 -2 4  
SINCE MAR 1 39 38 1 17  
SINCE JAN 1 39 38 1 17    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 96 1941  
MINIMUM TEMPERATURE (F) 53 33 2002  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 5:39 AM EDT SUNSET 8:19 PM EDT  
MAY 23 2024...........SUNRISE 5:38 AM EDT SUNSET 8:20 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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