498  
CDUS41 KPHI 220600  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1257 AM EST THU FEB 22 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR FEBRUARY 21 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 81R 406 PM 67 1953 41 40 51  
1930  
MINIMUM 40 413 AM -3 2015 23 17 26  
AVERAGE 61 32 29 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.36 1912 0.09 -0.08 0.00  
MONTH TO DATE 3.98 2.01 1.97 1.20  
SINCE DEC 1 9.03 8.62 0.41 7.02  
SINCE JAN 1 7.15 5.04 2.11 4.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.6 1947 0.4 -0.4 0.0  
MONTH TO DATE 9.4 8.7 0.7 7.1  
SINCE DEC 1 25.3 23.9 1.4 10.0  
SINCE JUL 1 25.3 24.6 0.7 10.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 33 -29 26  
MONTH TO DATE 603 735 -132 606  
SINCE DEC 1 2761 2905 -144 2486  
SINCE JUL 1 3674 4085 -411 3391  
 
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 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 45 300 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 68 1974  
MINIMUM TEMPERATURE (F) 23 2 1968  
 
 
SUNRISE AND SUNSET  
FEBRUARY 22 2018......SUNRISE 646 AM EST SUNSET 545 PM EST  
FEBRUARY 23 2018......SUNRISE 644 AM EST SUNSET 546 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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