710  
CDUS41 KPHI 130554  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
154 AM EDT MON MAY 13 2019  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 12 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 57 1224 AM 89 1948 70 -13 61  
1936  
MINIMUM 45 1159 PM 34 1963 47 -2 51  
AVERAGE 51 59 -8 56  
 
PRECIPITATION (IN)  
YESTERDAY 1.46R 1.43 1974 0.12 1.34 0.64  
MONTH TO DATE 5.35 1.49 3.86 0.97  
SINCE MAR 1 14.82 8.44 6.38 7.89  
SINCE JAN 1 22.44 14.17 8.27 16.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1994 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 14 7 7 9  
MONTH TO DATE 44 103 -59 28  
SINCE MAR 1 1101 1364 -263 1402  
SINCE JUL 1 4943 5673 -730 5225  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 9 6 3 21  
SINCE MAR 1 21 11 10 25  
SINCE JAN 1 21 11 10 25    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 13.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 80 900 AM  
AVERAGE 85  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 1944  
MINIMUM TEMPERATURE (F) 47 33 1996  
1967  
 
 
SUNRISE AND SUNSET  
MAY 13 2019...........SUNRISE 547 AM EDT SUNSET 810 PM EDT  
MAY 14 2019...........SUNRISE 546 AM EDT SUNSET 811 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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