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

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000
CDUS41 KPHI 140556
CLIABE


CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1255 AM EST THU DEC 14 2017


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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 13 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         31    144 PM  68    2015  41    -10       41
  MINIMUM         19    545 AM   5    1995  25     -6       25
                                      1988
                                      1960
  AVERAGE         25                        33     -8       33

PRECIPITATION (IN)
  YESTERDAY        0.06          1.48 1996   0.12  -0.06     0.00
  MONTH TO DATE    0.59                      1.69  -1.10     1.37
  SINCE DEC 1      0.59                      1.69  -1.10     1.37
  SINCE JAN 1     48.89                     43.46   5.43    35.76

SNOWFALL (IN)
  YESTERDAY        0.3           7.2  1966   0.2    0.1      0.0
  MONTH TO DATE    5.2                       1.7    3.5       T
  SINCE DEC 1      5.2                       1.7    3.5       T
  SINCE JUL 1      5.2                       2.4    2.8       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       40                        32      8       32
  MONTH TO DATE  383                       391     -8      368
  SINCE DEC 1    383                       391     -8      368
  SINCE JUL 1   1296                      1571   -275     1273

 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    31   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    51           500 AM
 LOWEST     35           400 PM
 AVERAGE    43

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


THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        68      2015
 MINIMUM TEMPERATURE (F)   24        -2      2005


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   718 AM EST   SUNSET   435 PM EST
DECEMBER 15 2017......SUNRISE   719 AM EST   SUNSET   435 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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