109  
CDUS41 KPHI 112129  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
428 PM EST FRI JAN 11 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 11 2019
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 34 252 PM 66 1975 36 -2 53  
MINIMUM 21 755 AM -11 1942 19 2 33  
AVERAGE 28 28 0 43  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 2014 0.10 -0.10 0.01  
MONTH TO DATE 1.00 1.04 -0.04 0.18  
SINCE DEC 1 7.24 4.62 2.62 2.06  
SINCE JAN 1 1.00 1.04 -0.04 0.18  
 
SNOWFALL (IN)  
TODAY 0.0 9.0 1922 0.3 -0.3 0.0  
MONTH TO DATE T 3.2 -3.2 1.3  
SINCE DEC 1 T 8.4 -8.4 10.9  
SINCE JUL 1 8.1 9.1 -1.0 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 37 37 0 22  
MONTH TO DATE 306 407 -101 494  
SINCE DEC 1 1160 1422 -262 1523  
SINCE JUL 1 2223 2602 -379 2436  
 
COOLING  
TODAY 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 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 14.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 600 AM  
LOWEST 25 300 PM  
AVERAGE 39  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 65 2018  
MINIMUM TEMPERATURE (F) 19 -6 1968  
 
 
SUNRISE AND SUNSET  
JANUARY 11 2019.......SUNRISE 725 AM EST SUNSET 455 PM EST  
JANUARY 12 2019.......SUNRISE 725 AM EST SUNSET 456 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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