547  
CDUS41 KPHI 300612  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
212 AM EDT TUE MAY 30 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 29 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 83 1:25 PM 95 1969 77 6 79  
MINIMUM 52 4:52 AM 38 1949 55 -3 51  
AVERAGE 68 66 2 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.90 1990 0.13 -0.13 0.00  
MONTH TO DATE 0.24 3.39 -3.15 5.27  
SINCE MAR 1 9.02 10.69 -1.67 15.21  
SINCE JAN 1 14.14 16.76 -2.62 21.59  
 
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 0 3 -3 0  
MONTH TO DATE 192 147 45 122  
SINCE MAR 1 1287 1305 -18 1306  
SINCE JUL 1 4992 5271 -279 5193  
 
COOLING  
YESTERDAY 3 3 0 0  
MONTH TO DATE 7 53 -46 41  
SINCE MAR 1 20 61 -41 41  
SINCE JAN 1 20 61 -41 41    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 32 4:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1987  
MINIMUM TEMPERATURE (F) 55 36 1949  
 
SUNRISE AND SUNSET  
MAY 30 2023...........SUNRISE 5:34 AM EDT SUNSET 8:25 PM EDT  
MAY 31 2023...........SUNRISE 5:34 AM EDT SUNSET 8:26 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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