362  
CDUS41 KPHI 110557  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
157 AM EDT THU MAY 11 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 10 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 75 4:45 PM 91 1979 72 3 73  
MINIMUM 40 4:41 AM 28 1947 49 -9 44  
AVERAGE 58 60 -2 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.37 1990 0.11 -0.11 0.00  
MONTH TO DATE 0.19 1.14 -0.95 2.84  
SINCE MAR 1 8.97 8.44 0.53 12.78  
SINCE JAN 1 14.09 14.51 -0.42 19.16  
 
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 7 6 1 6  
MONTH TO DATE 105 69 36 96  
SINCE MAR 1 1200 1227 -27 1280  
SINCE JUL 1 4905 5193 -288 5167  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 10 -10 0  
SINCE MAR 1 13 18 -5 0  
SINCE JAN 1 13 18 -5 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 6:00 AM  
LOWEST 19 4:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1948  
1993  
MINIMUM TEMPERATURE (F) 49 31 1966  
 
SUNRISE AND SUNSET  
MAY 11 2023...........SUNRISE 5:49 AM EDT SUNSET 8:08 PM EDT  
MAY 12 2023...........SUNRISE 5:48 AM EDT SUNSET 8:09 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page Main Text Page