138  
CDUS41 KPHI 190600  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
200 AM EDT SUN MAY 19 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 18 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 67 3:27 PM 96 1962 74 -7 66  
MINIMUM 57 4:59 AM 32 2023 51 6 32  
AVERAGE 62 63 -1 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.32 2002 0.11 -0.08 0.00  
MONTH TO DATE 2.39 2.05 0.34 0.19  
SINCE MAR 1 13.09 9.35 3.74 8.97  
SINCE JAN 1 21.74 15.42 6.32 14.09  
 
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 3 4 -1 16  
MONTH TO DATE 106 108 -2 158  
SINCE MAR 1 1113 1266 -153 1253  
SINCE JUL 1 4852 5232 -380 4958  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 16 24 -8 4  
SINCE MAR 1 27 32 -5 17  
SINCE JAN 1 27 32 -5 17    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 76 12:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 1962  
MINIMUM TEMPERATURE (F) 52 32 2009  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 5:41 AM EDT SUNSET 8:16 PM EDT  
MAY 20 2024...........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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