440  
CDUS41 KPHI 210610  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
210 AM EDT WED JUN 21 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JUNE 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 3:06 PM 100 1923 83 -3 78  
MINIMUM 62 11:04 PM 44 1926 61 1 46  
AVERAGE 71 72 -1 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.80 1927 0.15 -0.15 0.00  
MONTH TO DATE 1.61 2.90 -1.29 2.72  
SINCE JUN 1 1.61 2.90 -1.29 2.72  
SINCE JAN 1 15.75 19.92 -4.17 24.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 6.3 33.1 -26.8 19.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 3  
MONTH TO DATE 28 18 10 12  
SINCE JUN 1 28 18 10 12  
SINCE JUL 1 5025 5293 -268 5205  
 
COOLING  
YESTERDAY 6 8 -2 0  
MONTH TO DATE 46 109 -63 72  
SINCE JUN 1 46 109 -63 72  
SINCE JAN 1 66 177 -111 132    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 1923  
MINIMUM TEMPERATURE (F) 62 45 1968  
 
SUNRISE AND SUNSET  
JUNE 21 2023..........SUNRISE 5:31 AM EDT SUNSET 8:36 PM EDT  
JUNE 22 2023..........SUNRISE 5:31 AM EDT SUNSET 8:36 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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