306
CXUS51 KPHI 012313
CLMPHL

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
713 PM EDT MON JUN 01 2026

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

...THE PHILADELPHIA PA CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1872 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   05/30/1991
                       05/31/1991
 LOW              28   05/11/1966
HIGHEST           98R  05/19         90       8       86  05/02
                                                          05/17
LOWEST            47   05/01         43       4       49  05/10
                       05/03
                       05/12
AVG. MAXIMUM    75.0               74.4     0.6     73.8
AVG. MINIMUM    56.2               54.2     2.0     56.7
MEAN            65.6               64.3     1.3     65.3
DAYS MAX >= 90     3                2.0     1.0        0
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        9.46   1894
 MINIMUM        0.24   2023
TOTALS          2.77               3.34   -0.57     6.22
DAILY AVG.      0.09               0.11   -0.02     0.20
DAYS >= .01       15               11.0     4.0       15
DAYS >= .10        6                6.3    -0.3        9
DAYS >= .50        2                2.4    -0.4        5
DAYS >= 1.00       0                0.8    -0.8        2
GREATEST
 24 HR. TOTAL   1.33   05/23 TO 05/24               1.52

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2010*
 SNOW DEPTH        0
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       30.1               23.1     7.0      8.1
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        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     86                105     -19       64
 SINCE 7/1      4310               4499    -189     4022
COOLING TOTAL    114                 82      32       81
 SINCE 1/1       177                 98      79       99
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    41/310    DATE  05/20
HIGHEST GUST SPEED/DIRECTION    53/300    DATE  05/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.66
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       8
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                       12
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.
*  INDICATES MOST RECENT OF MULTIPLE RECORD YEARS.

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