139  
CDUS41 KPHI 230556  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
154 AM EDT MON SEP 23 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 22 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 313 PM 93 1980 73 17 75  
1931  
MINIMUM 55 608 AM 36 1997 50 5 58  
AVERAGE 73 62 11 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 1938 0.16 -0.16 T  
MONTH TO DATE 1.18 3.23 -2.05 3.34  
SINCE SEP 1 1.18 3.23 -2.05 3.34  
SINCE JAN 1 47.47 33.00 14.47 44.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 14 54 -40 16  
SINCE SEP 1 14 54 -40 16  
SINCE JUL 1 14 65 -51 16  
 
COOLING  
YESTERDAY 8 1 7 2  
MONTH TO DATE 115 64 51 185  
SINCE SEP 1 115 64 51 185  
SINCE JAN 1 1124 743 381 1224    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.4  
 
 
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 87 700 AM  
LOWEST 44 200 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 93 1970  
MINIMUM TEMPERATURE (F) 50 35 1947  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2019.....SUNRISE 650 AM EDT SUNSET 658 PM EDT  
SEPTEMBER 24 2019.....SUNRISE 651 AM EDT SUNSET 656 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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