423  
CDUS41 KPHI 172125  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
525 PM EDT SAT APR 17 2021  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 17 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1922 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 53 1:40 PM 91 1976 62 -9 50  
2002  
MINIMUM 41 4:01 AM 27 2014 39 2 30  
AVERAGE 47 50 -3 40  
 
PRECIPITATION (IN)  
TODAY T 1.38 1929 0.12 -0.12 0.12  
MONTH TO DATE 0.86 2.05 -1.19 1.85  
SINCE MAR 1 3.79 5.44 -1.65 4.97  
SINCE JAN 1 10.99 11.17 -0.18 10.47  
 
SNOWFALL (IN)  
TODAY 0.0 T 2001 0.0 0.0 0.0  
MONTH TO DATE T 0.8 -0.8 T  
SINCE MAR 1 T 5.7 -5.7 T  
SINCE JUL 1 58.1 32.7 25.4 5.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 15 3 25  
MONTH TO DATE 258 296 -38 232  
SINCE MAR 1 950 1099 -149 786  
SINCE JUL 1 4919 5408 -489 4316  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 4:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 93 1976  
MINIMUM TEMPERATURE (F) 39 25 1948  
 
SUNRISE AND SUNSET  
APRIL 17 2021.........SUNRISE 6:20 AM EDT SUNSET 7:43 PM EDT  
APRIL 18 2021.........SUNRISE 6:18 AM EDT SUNSET 7:45 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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