785  
CDUS41 KPHI 210557  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1257 AM EST MON JAN 21 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 1050 AM 56 1951 36 3 48  
MINIMUM 13 1159 PM -6 1994 19 -6 26  
AVERAGE 26 28 -2 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.76 1.31 1936 0.10 0.66 0.00  
MONTH TO DATE 2.49 1.94 0.55 2.05  
SINCE DEC 1 8.73 5.52 3.21 3.93  
SINCE JAN 1 2.49 1.94 0.55 2.05  
 
SNOWFALL (IN)  
YESTERDAY MM 9.0 1978 0.3 MM 0.0  
MONTH TO DATE 2.9 6.2 -3.3 5.4  
SINCE DEC 1 2.9 11.4 -8.5 15.0  
SINCE JUL 1 11.0 12.1 -1.1 15.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 38 1 28  
MONTH TO DATE 635 748 -113 816  
SINCE DEC 1 1489 1763 -274 1845  
SINCE JUL 1 2552 2943 -391 2758  
 
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 30 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 16.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FREEZING RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1200 AM  
LOWEST 49 900 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 63 1959  
MINIMUM TEMPERATURE (F) 19 -15 1994  
 
 
SUNRISE AND SUNSET  
JANUARY 21 2019.......SUNRISE 720 AM EST SUNSET 506 PM EST  
JANUARY 22 2019.......SUNRISE 720 AM EST SUNSET 507 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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