460  
CDUS41 KPHI 130548  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
148 AM EDT WED MAY 13 2026  
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 12 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 4:15 PM 89 1936 73 -6 80  
1948  
MINIMUM 39 5:33 AM 34 1963 49 -10 44  
AVERAGE 53 61 -8 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.46 2019 0.11 -0.11 0.00  
MONTH TO DATE 0.63 1.37 -0.74 4.47  
SINCE MAR 1 9.36 8.67 0.69 10.20  
SINCE JAN 1 13.10 14.74 -1.64 13.53  
 
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 T 6.8 -6.8 0.0  
SINCE JUL 1 35.5 33.1 2.4 17.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 5 7 3  
MONTH TO DATE 118 80 38 36  
SINCE MAR 1 1115 1237 -122 1032  
SINCE JUL 1 5518 5196 322 5074  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 12 -10 10  
SINCE MAR 1 32 20 12 11  
SINCE JAN 1 32 20 12 11    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 6:00 AM  
LOWEST 26 2:00 PM  
AVERAGE 43  
   
......................................................  
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1944  
MINIMUM TEMPERATURE (F) 50 33 1967  
1996  
 
SUNRISE AND SUNSET  
MAY 13 2026...........SUNRISE 5:47 AM EDT SUNSET 8:10 PM EDT  
MAY 14 2026...........SUNRISE 5:46 AM EDT SUNSET 8:11 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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