880
CXUS51 KPHI 012213
CLMPHL

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
513 PM EST WED JAN 01 2025

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

...THE PHILADELPHIA PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

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           66                 64       2       63
LOWEST            11                 19      -8       29
AVG. MAXIMUM    46.4               46.0     0.4     50.1
AVG. MINIMUM    30.6               31.2    -0.6     36.8
MEAN            38.5               38.6    -0.1     43.5
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     2                2.0     0.0        0
DAYS MIN <= 32    18               17.2     0.8       10
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.86   2009
 MINIMUM        0.25   1955
TOTALS          3.45               3.97   -0.52     7.92
DAILY AVG.      0.11               0.13   -0.02     0.26
DAYS >= .01       16               11.0     5.0       10
DAYS >= .10        9                6.7     2.3        8
DAYS >= .50        3                3.1    -0.1        5
DAYS >= 1.00       0                1.0    -1.0        3
GREATEST
 24 HR. TOTAL   0.95   12/10 TO 12/11               3.02

SNOWFALL (INCHES)
RECORDS
 TOTAL          24.1   2009
 24 HR TOTAL      MM
TOTALS           0.3                3.5    -3.2        T
SINCE 7/1        0.3                3.7    -3.4        T
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                1.0    -1.0        0
GREATEST
 SNOW DEPTH        T                                   0
 24 HR TOTAL     0.2   12/24 TO 12/24                  T

DEGREE DAYS
HEATING TOTAL    813                818      -5      660
 SINCE 7/1      1346               1613    -267       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1652               1359     293       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    52/270    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.66
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 3
SLEET                     1     FOG                       14
FOG W/VIS <= 1/4 MILE     2     HAZE                       0

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

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