077
CXUS51 KPHI 011852
CLMABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
252 PM EDT MON SEP 01 2025

...................................

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            105   08/07/1918
 LOW              41   08/30/1986
                       08/31/1934
HIGHEST           92   08/12         93      -1       94  08/01
                       08/13
                       08/17
LOWEST            45   08/31         51      -6       49  08/21
AVG. MAXIMUM    81.7               84.3    -2.6     82.4
AVG. MINIMUM    58.3               62.8    -4.5     61.9
MEAN            70.0               73.6    -3.6     72.1
DAYS MAX >= 90     4                5.0    -1.0        6
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       13.47   2011
 MINIMUM        0.76   1995
TOTALS          1.60               4.56   -2.96     5.63
DAILY AVG.      0.05               0.15   -0.10     0.18
DAYS >= .01        7               10.2    -3.2       13
DAYS >= .10        4                7.1    -3.1        7
DAYS >= .50        0                2.8    -2.8        5
DAYS >= 1.00       0                1.3    -1.3        1
GREATEST
 24 HR. TOTAL   0.49   08/20 TO 08/21               2.35

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0   MM
 SNOW DEPTH        0   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0      0.0
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL     0.0                                 0.0

DEGREE DAYS
HEATING TOTAL     12                  0      12        9
 SINCE 7/1        12                  1      11        9
COOLING TOTAL    176                268     -92      237
 SINCE 1/1       819                860     -41      936
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    28/340    DATE  08/13
HIGHEST GUST SPEED/DIRECTION    41/340    DATE  08/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                4     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     1     HAZE                       0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$