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

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000
CDUS41 KPHI 152129
CLIABE


CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
429 PM EST FRI DEC 15 2017


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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 15 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1922 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         26    137 PM  66    2015  40    -14       29
  MINIMUM         10    628 AM   6    2005  24    -14       16
                                      1960
  AVERAGE         18                        32    -14       23

PRECIPITATION (IN)
  TODAY            0.06          0.89 1948   0.11  -0.05      T
  MONTH TO DATE    0.69                      1.92  -1.23     1.37
  SINCE DEC 1      0.69                      1.92  -1.23     1.37
  SINCE JAN 1     48.99                     43.69   5.30    35.76

SNOWFALL (IN)
  TODAY           MM             4.0  1950   0.2   MM         T
  MONTH TO DATE    6.8                       2.0    4.8       T
  SINCE DEC 1      6.8                       2.0    4.8       T
  SINCE JUL 1      6.8                       2.7    4.1       T
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  TODAY           47                        33     14       42
  MONTH TO DATE  472                       456     16      444
  SINCE DEC 1    472                       456     16      444
  SINCE JUL 1   1385                      1636   -251     1349

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1004                       757    247     1223
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     1.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  SNOW
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           300 PM
 LOWEST     56           100 AM
 AVERAGE    69

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


THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        60      1971
 MINIMUM TEMPERATURE (F)   24         1      1951


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   719 AM EST   SUNSET   435 PM EST
DECEMBER 16 2017......SUNRISE   719 AM EST   SUNSET   436 PM EST


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




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