707
CXUS51 KPHI 012127
CLMABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
527 PM EDT TUE OCT 01 2024
...............................
...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 99 09/02/1980
09/03/1953
09/02/1953
LOW 30 09/28/1947
HIGHEST 85 89 -4 92
LOWEST 44 39 5 43
AVG. MAXIMUM 75.7 77.4 -1.7 75.6
AVG. MINIMUM 54.7 55.2 -0.5 56.0
MEAN 65.2 66.3 -1.1 65.8
DAYS MAX >= 90 0 1.5 -1.5 4
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.99 2011
MINIMUM 0.12 1943
TOTALS 1.30 4.84 -3.54 4.03
DAILY AVG. 0.04 0.16 -0.12 0.13
DAYS >= .01 8 9.6 -1.6 14
DAYS >= .10 5 6.5 -1.5 9
DAYS >= .50 0 2.9 -2.9 3
DAYS >= 1.00 0 1.5 -1.5 0
GREATEST
24 HR. TOTAL 0.42 09/07 TO 09/07 0.89
SNOWFALL (INCHES)
RECORDS
TOTAL 0.0 MM
24 HR TOTAL MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL 0.0 MM
DEGREE DAYS
HEATING TOTAL 39 69 -30 81
SINCE 7/1 48 74 -26 MM
COOLING TOTAL 55 108 -53 112
SINCE 1/1 991 968 23 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 5.7
HIGHEST WIND SPEED/DIRECTION 24/290 DATE 09/07
HIGHEST GUST SPEED/DIRECTION 44/240 DATE 09/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.39
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HEAVY SNOW 0
SNOW 0 LIGHT SNOW 0
SLEET 0 FOG 10
FOG W/VIS <= 1/4 MILE 0 HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page