846  
CDUS41 KPHI 120557  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1256 AM EST SAT JAN 12 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 11 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 34 252 PM 66 1975 36 -2 53  
MINIMUM 20 1138 PM -11 1942 19 1 33  
AVERAGE 27 28 -1 43  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 38 37 1 22  
MONTH TO DATE 307 407 -100 494  
SINCE DEC 1 1161 1422 -261 1523  
SINCE JUL 1 2224 2602 -378 2436  
 
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 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 12.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 600 AM  
LOWEST 25 300 PM  
AVERAGE 39  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 65 2018  
MINIMUM TEMPERATURE (F) 19 -6 1968  
 
 
SUNRISE AND SUNSET  
JANUARY 12 2019.......SUNRISE 725 AM EST SUNSET 456 PM EST  
JANUARY 13 2019.......SUNRISE 724 AM EST SUNSET 457 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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