673
CXUS51 KPHI 011935
CLAPHL

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
235 PM EST FRI JAN 01 2021

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

...THE PHILADELPHIA PA CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1872 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            106   08/07/1918
 LOW             -11   02/09/1934
HIGHEST           97   07/03         MM      MM       98  07/21
LOWEST            14   02/15         MM      MM        5  01/31
AVG. MAXIMUM    66.5               64.6     1.8     65.6
AVG. MINIMUM    49.6               47.1     2.5     48.9
MEAN            58.0               55.9     2.2     57.3
DAYS MAX >= 90    36               24.0    12.0       35
DAYS MAX <= 32     2               13.0   -11.0        8
DAYS MIN <= 32    54               79.0   -25.0       80
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       64.33   2011
 MINIMUM       29.31   1922
TOTALS         49.76              41.53    8.23    47.43
DAILY AVG.      0.14               0.11    0.03     0.13
DAYS >= .01      125              118.0     7.0      146
DAYS >= .10       76               71.0     5.0       81
DAYS >= .50       32               28.0     4.0       35
DAYS >= 1.00      13               10.0     3.0       12
GREATEST
 24 HR. TOTAL   4.16                                2.87
 STORM TOTAL      MM                                  MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          67.3   2010
 24 HR TOTAL      MM    MM
 SNOW DEPTH       28   02/18/2003
TOTALS           6.8               22.4   -15.6     13.3
 LIQUID EQUIV   0.70               2.20   -1.50     1.33
SINCE 7/1        6.6                3.7     2.9       MM
 LIQUID 7/1     0.66               0.30    0.36       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     12               12.0     0.0       31
DAYS >= 1.0        1                5.0    -4.0        5
GREATEST
 SNOW DEPTH        3   12/18                           3  03/01
                       12/19
                       12/20
 24 HR TOTAL     0.2   MM                            3.0
 STORM TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL   3959               4613    -654     4307
 SINCE 7/1      1402               1670    -268       MM
COOLING TOTAL   1521               1301     220     1610
 SINCE 1/1      1521               1301     220     1610

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WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   2/280
HIGHEST WIND SPEED/DIRECTION    55/330    DATE  06/03
HIGHEST GUST SPEED/DIRECTION    68/300    DATE  06/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR           56
NUMBER OF DAYS PC            169
NUMBER OF DAYS CLOUDY        141

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             35     MIXED PRECIP               0
HEAVY RAIN               42     RAIN                      65
LIGHT RAIN              172     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW               12     SLEET                      3
FOG                     134     FOG W/VIS <= 1/4 MILE     16
HAZE                     35

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

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