Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 152134
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
434 PM EST SAT DEC 15 2018


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

...THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 15 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         52    227 PM  62    2015  43      9       31
  MINIMUM         47    615 AM  11    1968  28     19       12
  AVERAGE         50                        36     14       22

PRECIPITATION (IN)
  TODAY            0.07          1.55 2013   0.13  -0.06     0.13
  MONTH TO DATE    1.32                      2.07  -0.75     1.10
  SINCE DEC 1      1.32                      2.07  -0.75     1.10
  SINCE JAN 1     58.99                     44.25  14.74    42.42

SNOWFALL (IN)
  TODAY            0.0           1.6  2017   0.2   -0.2      1.6
  MONTH TO DATE    T                         1.9   -1.9      4.7
  SINCE OCT 1      4.3                       2.4    1.9      4.7
  SINCE JUL 1      4.3                       2.4    1.9      4.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           15                        29    -14       43
  MONTH TO DATE  423                       405     18      406
  SINCE DEC 1    423                       405     18      406
  SINCE JUL 1   1390                      1421    -31     1157

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1115                       787    328      972
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     6.8


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     89           200 PM
 AVERAGE    95

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        64      1971
 MINIMUM TEMPERATURE (F)   28        10      1988
                                             1968


SUNRISE AND SUNSET
DECEMBER 15 2018......SUNRISE   709 AM EST   SUNSET   426 PM EST
DECEMBER 16 2018......SUNRISE   710 AM EST   SUNSET   426 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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