089  
CDUS41 KPHI 200558  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
158 AM EDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 19 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 74 2:48 PM 97 1962 74 0 76  
MINIMUM 46 4:36 AM 32 2009 52 -6 54  
AVERAGE 60 63 -3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.74 1988 0.12 -0.12 0.64  
MONTH TO DATE 0.19 2.17 -1.98 3.87  
SINCE MAR 1 8.97 9.47 -0.50 13.81  
SINCE JAN 1 14.09 15.54 -1.45 20.19  
 
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 1.2 6.8 -5.6 4.7  
SINCE JUL 1 6.3 33.1 -26.8 19.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 4 1 0  
MONTH TO DATE 163 112 51 112  
SINCE MAR 1 1258 1270 -12 1296  
SINCE JUL 1 4963 5236 -273 5183  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 4 26 -22 12  
SINCE MAR 1 17 34 -17 12  
SINCE JAN 1 17 34 -17 12    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 4:00 AM  
LOWEST 36 5:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1962  
1996  
MINIMUM TEMPERATURE (F) 52 32 2002  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 5:41 AM EDT SUNSET 8:16 PM EDT  
MAY 21 2023...........SUNRISE 5:40 AM EDT SUNSET 8:17 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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