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

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CXUS51 KPHI 011359
CLMPHL

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
959 AM EDT TUE JUN 01 2021

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

...THE PHILADELPHIA PA CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1872 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   05/31/1991
                       05/30/1991
 LOW              28   05/11/1966
HIGHEST           92                 89       3       85
LOWEST            45                 41       4       35
AVG. MAXIMUM    74.3               74.4    -0.1     70.8
AVG. MINIMUM    53.9               54.2    -0.3     52.0
MEAN            64.1               64.3    -0.2     61.4
DAYS MAX >= 90     3                1.7     1.3        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        0.00   2013
TOTALS          3.24               3.34   -0.10     2.20
DAILY AVG.      0.10               0.11   -0.01     0.07
DAYS >= .01       10               11.0    -1.0       10
DAYS >= .10        5                6.3    -1.3        4
DAYS >= .50        3                2.4     0.6        1
DAYS >= 1.00       0                0.8    -0.8        1
GREATEST
 24 HR. TOTAL   1.32   05/28 TO 05/29               1.38

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   5
 24 HR TOTAL      MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       23.9               23.1     0.8       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL    115                104      11      168
 SINCE 7/1      4108               4501    -393       MM
COOLING TOTAL     94                 82      12       66
 SINCE 1/1       115                 98      17       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    32/330    DATE  05/01
HIGHEST GUST SPEED/DIRECTION    40/330    DATE  05/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     58

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