Climatological Report (Monthly)
Issued by NWS Mt. Holly, NJ

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000
CXUS51 KPHI 020750
CLMPHL

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
250 AM EST TUE JAN 02 2024

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

...THE PHILADELPHIA PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1872 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             73   12/07/1998
                       12/04/1998
 LOW              -5   12/30/1880
HIGHEST           63                 63       0       59
LOWEST            29                 14      15        7
AVG. MAXIMUM    50.1               46.0     4.1     45.8
AVG. MINIMUM    36.8               31.2     5.6     29.8
MEAN            43.5               38.6     4.9     37.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                2.4    -2.4        3
DAYS MIN <= 32    10               17.2    -7.2       21
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.86   2009
 MINIMUM        0.25   1955
TOTALS          7.92               3.97    3.95     4.85
DAILY AVG.      0.26               0.13    0.13     0.16
DAYS >= .01       10               11.0    -1.0        9
DAYS >= .10        8                6.7     1.3        9
DAYS >= .50        5                3.1     1.9        3
DAYS >= 1.00       3                1.0     2.0        1
GREATEST
 24 HR. TOTAL   3.02   12/17 TO 12/18               2.01

SNOWFALL (INCHES)
RECORDS
 TOTAL          24.1   2009
 24 HR TOTAL      MM
TOTALS             T                3.5    -3.5        T
SINCE 7/1          T                3.7    -3.7       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.7    -0.7        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL       T                                  MM

DEGREE DAYS
HEATING TOTAL    660                818    -158      838
 SINCE 7/1      1369               1613    -244       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1345               1359     -14       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    30/280    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    39/280    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.69
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       8
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 3
SLEET                     0     FOG                       15
FOG W/VIS <= 1/4 MILE     4     HAZE                       2

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

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