535  
CDUS41 KPHI 180628  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
128 AM EST WED JAN 18 2017  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 17 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 245 PM 61 1990 36 3 39  
MINIMUM 35 836 AM -8 1982 19 16 24  
AVERAGE 37 27 10 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 1.42 1994 0.10 0.12 0.01  
MONTH TO DATE 2.04 1.64 0.40 1.42  
SINCE DEC 1 4.47 5.22 -0.75 5.62  
SINCE JAN 1 2.04 1.64 0.40 1.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.6 1994 0.3 -0.3 0.1  
MONTH TO DATE 2.1 5.2 -3.1 0.4  
SINCE DEC 1 2.8 10.4 -7.6 0.4  
SINCE JUL 1 2.8 11.1 -8.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 38 -10 33  
MONTH TO DATE 560 634 -74 561  
SINCE DEC 1 1510 1649 -139 1147  
SINCE JUL 1 2415 2829 -414 2029  
 
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 NE (60)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 3.7  
 
 
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 92 1000 PM  
LOWEST 59 1200 AM  
AVERAGE 76  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 63 2006  
MINIMUM TEMPERATURE (F) 19 -10 1954  
 
 
SUNRISE AND SUNSET  
JANUARY 18 2017.......SUNRISE 722 AM EST SUNSET 503 PM EST  
JANUARY 19 2017.......SUNRISE 721 AM EST SUNSET 504 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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