849  
CDUS41 KPHI 120552  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
152 AM EDT SUN MAY 12 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 11 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 71 203 PM 90 1993 70 1 74  
1948  
MINIMUM 56 1118 PM 31 1966 47 9 55  
AVERAGE 64 58 6 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.83 1981 0.13 -0.09 T  
MONTH TO DATE 3.89 1.37 2.52 0.33  
SINCE MAR 1 13.36 8.32 5.04 7.25  
SINCE JAN 1 20.98 14.05 6.93 15.92  
 
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 11.5 5.9 5.6 24.6  
SINCE JUL 1 32.1 32.9 -0.8 49.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 7 -6 0  
MONTH TO DATE 30 96 -66 19  
SINCE MAR 1 1087 1357 -270 1393  
SINCE JUL 1 4929 5666 -737 5216  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 9 5 4 21  
SINCE MAR 1 21 10 11 25  
SINCE JAN 1 21 10 11 25    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 400 AM  
LOWEST 31 300 PM  
AVERAGE 56  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 89 1948  
1936  
MINIMUM TEMPERATURE (F) 47 34 1963  
 
 
SUNRISE AND SUNSET  
MAY 12 2019...........SUNRISE 548 AM EDT SUNSET 809 PM EDT  
MAY 13 2019...........SUNRISE 547 AM EDT SUNSET 810 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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