455  
CXUS51 KPHI 011753  
CLMABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
153 PM EDT FRI NOV 01 2024  
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 93 10/02/2019  
10/05/1914  
09/03/1953  
LOW 19 10/27/1921  
HIGHEST 83 80 3 84  
LOWEST 29 28 1 33  
AVG. MAXIMUM 69.7 65.5 4.2 66.8  
AVG. MINIMUM 41.6 43.8 -2.2 45.3  
MEAN 55.6 54.6 1.0 56.0  
DAYS MAX >= 90 0 0.1 -0.1 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 4 3.1 0.9 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 13.16 2005  
MINIMUM 0.15 1963  
TOTALS 0.02R 4.14 -4.12 1.64  
DAILY AVG. 0.00 0.13 -0.13 0.05  
DAYS >= .01 2 9.9 -7.9 9  
DAYS >= .10 0 6.2 -6.2 4  
DAYS >= .50 0 2.5 -2.5 1  
DAYS >= 1.00 0 1.2 -1.2 0  
GREATEST  
24 HR. TOTAL 0.01 10/03 TO 10/03 0.87  
10/24 TO 10/24  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 6.8 2011  
24 HR TOTAL MM  
TOTALS 0.0 0.2 -0.2 0.0  
SINCE 7/1 0.0 0.2 -0.2 MM  
SNOWDEPTH AVG. 0 0  
DAYS >= 1.0 0 0.0 0.0 0  
GREATEST  
SNOW DEPTH 0 0 MM  
24 HR TOTAL MM MM  
 
DEGREE DAYS  
HEATING TOTAL 280 334 -54 288  
SINCE 7/1 328 406 -78 MM  
COOLING TOTAL 0 13 -13 18  
SINCE 1/1 991 981 10 MM    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 5.2  
HIGHEST WIND SPEED/DIRECTION 28/320 DATE 10/14  
HIGHEST GUST SPEED/DIRECTION 42/260 DATE 10/14  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.19  
NUMBER OF DAYS FAIR 26  
NUMBER OF DAYS PC 3  
NUMBER OF DAYS CLOUDY 2  
 
AVERAGE RH (PERCENT) 59  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 0  
LIGHT RAIN 7 FREEZING RAIN 0  
LT FREEZING RAIN 0 HEAVY SNOW 0  
SNOW 0 LIGHT SNOW 0  
SLEET 0 FOG 6  
FOG W/VIS <= 1/4 MILE 2 HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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