337  
CDUS41 KPHI 110614  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
114 AM EST WED JAN 11 2023  
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 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 40 4:27 PM 63 2016 38 2 36  
MINIMUM 29 2:46 AM -6 1942 22 7 20  
AVERAGE 35 30 5 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.06 2016 0.10 -0.10 0.00  
MONTH TO DATE 1.14 1.05 0.09 1.00  
SINCE DEC 1 5.57 4.91 0.66 2.29  
SINCE JAN 1 1.14 1.05 0.09 1.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.3 1965 0.2 -0.2 0.0  
MONTH TO DATE T 2.2 -2.2 3.3  
SINCE DEC 1 1.4 6.8 -5.4 3.3  
SINCE JUL 1 1.4 7.9 -6.5 3.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 35 -5 37  
MONTH TO DATE 225 342 -117 343  
SINCE DEC 1 1214 1274 -60 1140  
SINCE JUL 1 2315 2313 2 2097  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 3:00 AM  
LOWEST 57 5:00 PM  
AVERAGE 66  
   
......................................................  
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 68 2020  
MINIMUM TEMPERATURE (F) 22 -11 1942  
 
SUNRISE AND SUNSET  
JANUARY 11 2023.......SUNRISE 7:25 AM EST SUNSET 4:55 PM EST  
JANUARY 12 2023.......SUNRISE 7:25 AM EST SUNSET 4:56 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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