Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 102139
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
438 PM EST SUN DEC 10 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 10 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         39    310 PM  61    2015  45     -6       36
  MINIMUM         30    805 AM   6    1968  30      0       23
  AVERAGE         35                        37     -2       30

PRECIPITATION (IN)
  TODAY            T             1.00 1994   0.14  -0.14     0.00
  MONTH TO DATE    0.85                      1.40  -0.55     0.53
  SINCE DEC 1      0.85                      1.40  -0.55     0.53
  SINCE JAN 1     42.17                     43.58  -1.41    31.99

SNOWFALL (IN)
  TODAY            T            MM      MM   0.2   -0.2      0.0
  MONTH TO DATE    1.3                       1.1    0.2      0.0
  SINCE OCT 1      1.3                       1.6   -0.3       T
  SINCE JUL 1      1.3                       1.6   -0.3       T
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  TODAY           30                        28      2       35
  MONTH TO DATE  236                       262    -26      254
  SINCE DEC 1    236                       262    -26      254
  SINCE JUL 1    987                      1278   -291     1045

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    972                       787    185     1124
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     9.7


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1200 AM
 LOWEST     59           200 PM
 AVERAGE    78

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        65      1971
 MINIMUM TEMPERATURE (F)   30         5      1968


SUNRISE AND SUNSET
DECEMBER 10 2017......SUNRISE   706 AM EST   SUNSET   425 PM EST
DECEMBER 11 2017......SUNRISE   707 AM EST   SUNSET   425 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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