269
CXUS51 KPHI 011735
CLMPHL

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
135 PM EDT THU MAY 01 2025

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...THE PHILADELPHIA PA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1872 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             95   04/17/2002
 LOW              14   04/01/1923
HIGHEST           83   04/29         84      -1       90  04/29
LOWEST            33   04/09         33       0       36  04/08
AVG. MAXIMUM    66.4               64.7     1.7     65.9
AVG. MINIMUM    46.9               44.3     2.6     46.7
MEAN            56.6               54.5     2.1     56.3
DAYS MAX >= 90     0                0.0     0.0        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.8    -0.8        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.76   1874
 MINIMUM        0.52   1985
TOTALS          2.83               3.47   -0.64     4.16
DAILY AVG.      0.09               0.12   -0.03     0.14
DAYS >= .01       10               10.9    -0.9       11
DAYS >= .10        5                6.4    -1.4        7
DAYS >= .50        2                2.2    -0.2        2
DAYS >= 1.00       1                0.7     0.3        2
GREATEST
 24 HR. TOTAL   1.36   04/11 TO 04/12               1.73

SNOWFALL (INCHES)
RECORDS
 TOTAL          19.4   1915
 SNOW DEPTH       15   04/03/1915
TOTALS             T                0.3    -0.3      0.0
SINCE 7/1        8.1               23.1   -15.0     11.2
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      1                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL       T                                 0.0

DEGREE DAYS
HEATING TOTAL    261                330     -69      279
 SINCE 7/1      3958               4395    -437     3737
COOLING TOTAL     17                 15       2       26
 SINCE 1/1        18                 16       2       26
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    36/310    DATE  04/01
                                36/290          04/15
HIGHEST GUST SPEED/DIRECTION    52/320    DATE  04/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       6
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                        9
FOG W/VIS <= 1/4 MILE     0     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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