941  
CDUS41 KPHI 240554  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
154 AM EDT THU MAY 24 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 23 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 346 PM 95 1925 74 6 68  
MINIMUM 57 1143 PM 37 2002 51 6 50  
AVERAGE 69 62 7 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.81 2.40 1942 0.15 0.66 0.00  
MONTH TO DATE 4.84 3.00 1.84 3.05  
SINCE MAR 1 11.76 9.95 1.81 10.93  
SINCE JAN 1 20.43 15.68 4.75 16.02  
 
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 24.6 5.9 18.7 18.3  
SINCE JUL 1 49.9 32.9 17.0 28.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 6  
MONTH TO DATE 58 168 -110 177  
SINCE MAR 1 1432 1429 3 1270  
SINCE JUL 1 5255 5738 -483 4772  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 43 20 23 35  
SINCE MAR 1 47 25 22 54  
SINCE JAN 1 47 25 22 54    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 39 600 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1936  
MINIMUM TEMPERATURE (F) 51 33 1926  
 
 
SUNRISE AND SUNSET  
MAY 24 2018...........SUNRISE 537 AM EDT SUNSET 820 PM EDT  
MAY 25 2018...........SUNRISE 537 AM EDT SUNSET 821 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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