462  
CDUS41 KPHI 312123  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
522 PM EDT SAT OCT 31 2009  
 
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 31 2009  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1894 TO 2009  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 67 359 PM 81 1950 57 10 61  
MINIMUM 54 511 AM 21 1988 36 18 27  
AVERAGE 61 48 13 44  
 
PRECIPITATION (IN)  
TODAY 0.04 1.41 1935 0.11 -0.07 0.00  
MONTH TO DATE 4.82 3.33 1.49 3.02  
SINCE SEP 1 7.75 7.70 0.05 11.13  
SINCE JAN 1 37.09 38.08 -0.99 42.30  
 
SNOWFALL (IN)  
TODAY 0.0 2.2 1925 0.1 -0.1 0.0  
MONTH TO DATE T 0.1 -0.1 T  
SINCE SEP 1 T 0.1 -0.1 T  
SINCE JUL 1 T 0.1 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 17 -13 21  
MONTH TO DATE 414 391 23 439  
SINCE SEP 1 510 498 12 504  
SINCE JUL 1 514 521 -7 510  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 5 -4 0  
SINCE SEP 1 35 78 -43 98  
SINCE JAN 1 634 787 -153 784    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 10.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 87 1000 AM  
AVERAGE 94  
   
......................................................  
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1950  
MINIMUM TEMPERATURE (F) 36 24 1923  
 
 
SUNRISE AND SUNSET  
OCTOBER 31 2009.......SUNRISE 731 AM EDT SUNSET 559 PM EDT  
NOVEMBER 1 2009......SUNRISE 632 AM EST SUNSET 458 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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