499
CXUS51 KPHI 010851
CLMABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
351 AM EST MON DEC 01 2025

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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             81   11/01/1950
 LOW               3   11/26/1938
HIGHEST           67   11/05         71      -4       79  11/06
LOWEST            25   11/23         19       6       22  11/30
AVG. MAXIMUM    51.9               53.8    -1.9     57.0
AVG. MINIMUM    33.4               34.1    -0.7     36.5
MEAN            42.7               43.9    -1.2     46.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32    17               14.9     2.1        8
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.73   2018
 MINIMUM        0.43   1931
TOTALS          1.61               3.24   -1.63     2.26
DAILY AVG.      0.05               0.11   -0.06     0.08
DAYS >= .01       11                8.9     2.1        8
DAYS >= .10        5                5.7    -0.7        7
DAYS >= .50        0                2.1    -2.1        2
DAYS >= 1.00       0                0.9    -0.9        0
GREATEST
 24 HR. TOTAL   0.49   11/25 TO 11/25               0.99

SNOWFALL (INCHES)
RECORDS
 TOTAL          15.0   1938
 SNOW DEPTH       13   11/27/1938
TOTALS           0.2                0.9    -0.7        T
SINCE 7/1        0.2                1.1    -0.9        T
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      5                                   2
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL     0.2   11/30 TO 11/30                  T

DEGREE DAYS
HEATING TOTAL    662                633      29      541
 SINCE 7/1      1012               1036     -24      869
COOLING TOTAL      0                  0       0        3
 SINCE 1/1       924                981     -57      994
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
HIGHEST WIND SPEED/DIRECTION    33/300    DATE  11/05
HIGHEST GUST SPEED/DIRECTION    57/320    DATE  11/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.53
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 5
SLEET                     0     FOG                       10
FOG W/VIS <= 1/4 MILE     2     HAZE                       1

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

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