Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 202037
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
436 PM EDT FRI OCT 20 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 20 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         72    259 PM  74    1984  62     10       73
                                      1979
                                      1969
  MINIMUM         52    409 AM  30    1974  44      8       57
  AVERAGE         62                        53      9       65

PRECIPITATION (IN)
  TODAY            0.00          3.90 1989   0.12  -0.12     0.00
  MONTH TO DATE    0.93                      2.46  -1.53     1.37
  SINCE SEP 1      4.92                      6.04  -1.12     4.42
  SINCE JAN 1     33.27                     37.18  -3.91    26.86

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE OCT 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            3                        12     -9        0
  MONTH TO DATE   72                       188   -116      114
  SINCE SEP 1     97                       260   -163      146
  SINCE JUL 1     97                       265   -168      146

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   47                         9     38       13
  SINCE SEP 1    197                       100     97      171
  SINCE JAN 1    965                       786    179     1118
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     8.3


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           400 AM
 LOWEST     25           100 PM
 AVERAGE    57

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        76      2016
                                             1963
 MINIMUM TEMPERATURE (F)   44        29      1974


SUNRISE AND SUNSET
OCTOBER 20 2017.......SUNRISE   709 AM EDT   SUNSET   604 PM EDT
OCTOBER 21 2017.......SUNRISE   710 AM EDT   SUNSET   603 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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