935  
CDUS41 KPHI 100601  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
201 AM EDT WED MAY 10 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 9 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 72 3:16 PM 92 1936 72 0 71  
MINIMUM 48 11:28 PM 31 1947 48 0 40  
1956  
AVERAGE 60 60 0 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1923 0.12 -0.12 0.00  
MONTH TO DATE 0.19 1.03 -0.84 2.84  
SINCE MAR 1 8.97 8.33 0.64 12.78  
SINCE JAN 1 14.09 14.40 -0.31 19.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1966 0.0 0.0 0.0  
1977  
2020  
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 6 -1 9  
MONTH TO DATE 98 63 35 90  
SINCE MAR 1 1193 1221 -28 1274  
SINCE JUL 1 4898 5187 -289 5161  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 9 -9 0  
SINCE MAR 1 13 17 -4 0  
SINCE JAN 1 13 17 -4 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 10:00 PM  
LOWEST 24 2:00 PM  
AVERAGE 38  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1979  
MINIMUM TEMPERATURE (F) 49 28 1947  
 
SUNRISE AND SUNSET  
MAY 10 2023...........SUNRISE 5:50 AM EDT SUNSET 8:07 PM EDT  
MAY 11 2023...........SUNRISE 5:49 AM EDT SUNSET 8:08 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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