801  
CDUS41 KPHI 290556  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST SAT DEC 29 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 28 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 52 1114 PM 63 2008 37 15 20  
1982  
MINIMUM 39 228 AM -8 1950 21 18 11  
AVERAGE 46 29 17 16  
 
PRECIPITATION (IN)  
YESTERDAY 1.06R 1.04 1967 0.10 0.96 0.00  
MONTH TO DATE 5.20 3.30 1.90 1.84  
SINCE DEC 1 5.20 3.30 1.90 1.84  
SINCE JAN 1 65.92 45.07 20.85 50.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.3 1990 0.3 -0.3 0.0  
MONTH TO DATE T 4.5 -4.5 8.4  
SINCE DEC 1 T 4.5 -4.5 8.4  
SINCE JUL 1 8.1 5.2 2.9 8.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 36 -17 49  
MONTH TO DATE 772 906 -134 882  
SINCE DEC 1 772 906 -134 882  
SINCE JUL 1 1835 2086 -251 1795  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1287 757 530 1004    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 AM  
LOWEST 70 1200 AM  
AVERAGE 82  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 72 1984  
MINIMUM TEMPERATURE (F) 21 -1 1933  
 
 
SUNRISE AND SUNSET  
DECEMBER 29 2018......SUNRISE 725 AM EST SUNSET 443 PM EST  
DECEMBER 30 2018......SUNRISE 725 AM EST SUNSET 444 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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