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

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000
CDUS41 KPHI 180548
CLIABE


CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1247 AM EST MON DEC 18 2017


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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 17 2017...

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)
 YESTERDAY
  MAXIMUM         38    245 PM  63    2000  40     -2       35
  MINIMUM         30    848 AM  -2    1951  24      6       24
  AVERAGE         34                        32      2       30

PRECIPITATION (IN)
  YESTERDAY        0.00          2.16 2000   0.11  -0.11     0.35
  MONTH TO DATE    0.70                      2.15  -1.45     1.72
  SINCE DEC 1      0.70                      2.15  -1.45     1.72
  SINCE JAN 1     49.00                     43.92   5.08    36.11

SNOWFALL (IN)
  YESTERDAY        0.0           3.0  1919   0.2   -0.2      0.4
  MONTH TO DATE    7.9                       2.4    5.5      0.4
  SINCE DEC 1      7.9                       2.4    5.5      0.4
  SINCE JUL 1      7.9                       3.1    4.8      0.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       31                        33     -2       35
  MONTH TO DATE  541                       522     19      525
  SINCE DEC 1    541                       522     19      525
  SINCE JUL 1   1454                      1702   -248     1430

 COOLING
  YESTERDAY        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     8   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     4.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75          1000 PM
 LOWEST     59          1200 PM
 AVERAGE    67

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


THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        62      2006
 MINIMUM TEMPERATURE (F)   23         5      1945


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   720 AM EST   SUNSET   436 PM EST
DECEMBER 19 2017......SUNRISE   721 AM EST   SUNSET   437 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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