304  
CDUS41 KPHI 310623  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
223 AM EDT THU MAY 31 2012  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 30 2012
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 158 PM 94 1987 76 6 90  
MINIMUM 65 1049 PM 36 1949 53 12 68  
AVERAGE 74 64 10 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.68 1968 0.15 -0.15 0.49  
MONTH TO DATE 5.63 3.99 1.64 4.37  
SINCE MAR 1 9.55 10.94 -1.39 16.78  
SINCE JAN 1 13.62 16.67 -3.05 22.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 5.9 -5.9 2.9  
SINCE JUL 1 12.0 32.9 -20.9 38.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 66 195 -129 110  
SINCE MAR 1 945 1456 -511 1275  
SINCE JUL 1 4497 5765 -1268 5697  
 
COOLING  
YESTERDAY 9 3 6 14  
MONTH TO DATE 107 35 72 76  
SINCE MAR 1 116 40 76 96  
SINCE JAN 1 116 40 76 96    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 43 200 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1939  
MINIMUM TEMPERATURE (F) 53 37 1996  
 
 
SUNRISE AND SUNSET  
MAY 31 2012...........SUNRISE 533 AM EDT SUNSET 826 PM EDT  
JUNE 1 2012..........SUNRISE 533 AM EDT SUNSET 827 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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