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

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000
CDUS41 KPHI 170546
CLIABE


CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1245 AM EST SUN DEC 17 2017


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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 16 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         40    912 PM  60    1971  40      0       26
  MINIMUM         14    530 AM   1    1951  24    -10       12
  AVERAGE         27                        32     -5       19

PRECIPITATION (IN)
  YESTERDAY        0.00          1.30 2005   0.12  -0.12      T
  MONTH TO DATE    0.70                      2.04  -1.34     1.37
  SINCE DEC 1      0.70                      2.04  -1.34     1.37
  SINCE JAN 1     49.00                     43.81   5.19    35.76

SNOWFALL (IN)
  YESTERDAY        0.0           4.5  1973   0.2   -0.2       T
  MONTH TO DATE    7.9                       2.2    5.7       T
  SINCE DEC 1      7.9                       2.2    5.7       T
  SINCE JUL 1      7.9                       2.9    5.0       T
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       38                        33      5       46
  MONTH TO DATE  510                       489     21      490
  SINCE DEC 1    510                       489     21      490
  SINCE JUL 1   1423                      1669   -246     1395

 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    18   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           100 AM
 LOWEST     56          1200 PM
 AVERAGE    72

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


THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        63      2000
 MINIMUM TEMPERATURE (F)   24        -2      1951


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   720 AM EST   SUNSET   436 PM EST
DECEMBER 18 2017......SUNRISE   720 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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