599  
CDUS41 KPHI 172130  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
529 PM EDT TUE OCT 17 2017  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 17 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 306 PM 88 1938 63 -2 79  
MINIMUM 38 624 AM 25 1937 41 -3 53  
AVERAGE 50 52 -2 66  
 
PRECIPITATION (IN)  
TODAY 0.00 1.03 1991 0.12 -0.12 0.03  
MONTH TO DATE 1.33 2.31 -0.98 0.35  
SINCE SEP 1 5.13 6.93 -1.80 3.77  
SINCE JAN 1 44.27 36.70 7.57 30.18  
 
SNOWFALL (IN)  
TODAY 0.0 T 1977 0.0 0.0 0.0  
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  
TODAY 15 13 2 0  
MONTH TO DATE 69 181 -112 130  
SINCE SEP 1 125 285 -160 172  
SINCE JUL 1 129 296 -167 172  
 
COOLING  
TODAY 0 0 0 1  
MONTH TO DATE 51 3 48 1  
SINCE SEP 1 195 74 121 177  
SINCE JAN 1 1003 753 250 1209    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 700 AM  
LOWEST 36 200 PM  
AVERAGE 56  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 85 2016  
MINIMUM TEMPERATURE (F) 40 28 1974  
1937  
 
 
SUNRISE AND SUNSET  
OCTOBER 17 2017.......SUNRISE 715 AM EDT SUNSET 618 PM EDT  
OCTOBER 18 2017.......SUNRISE 716 AM EDT SUNSET 617 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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