Climatological Report (Daily)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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CDUS41 KPHI 210559
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
159 AM EDT THU AUG 21 2025
...................................
...THE ALLENTOWN PA CLIMATE SUMMARY FOR AUGUST 20 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 3:47 PM 96 1983 84 -15 70
MINIMUM 58 11:59 PM 46 1944 62 -4 54
AVERAGE 64 73 -9 62
PRECIPITATION (IN)
YESTERDAY 0.48 1.80 1997 0.14 0.34 0.00
MONTH TO DATE 1.58 3.09 -1.51 5.38
SINCE JUN 1 8.77 12.79 -4.02 11.25
SINCE JAN 1 28.28 29.81 -1.53 34.37
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 0 1 3
MONTH TO DATE 1 0 1 3
SINCE JUN 1 28 20 8 6
SINCE JUL 1 1 1 0 3
COOLING
YESTERDAY 0 8 -8 0
MONTH TO DATE 154 187 -33 179
SINCE JUN 1 770 711 59 795
SINCE JAN 1 797 779 18 878
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 PM
LOWEST 73 12:00 AM
AVERAGE 85
..........................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 95 1937
MINIMUM TEMPERATURE (F) 62 45 2000
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:18 AM EDT SUNSET 7:50 PM EDT
AUGUST 22 2025........SUNRISE 6:19 AM EDT SUNSET 7:49 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$