Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 212135
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
434 PM EST TUE NOV 21 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 21 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         57    223 PM  65    1991  51      6       40
  MINIMUM         40    213 AM  18    1987  36      4       32
  AVERAGE         49                        44      5       36

PRECIPITATION (IN)
  TODAY            0.00          1.40 1975   0.13  -0.13     0.01
  MONTH TO DATE    1.51                      2.49  -0.98     0.87
  SINCE SEP 1     12.17                      9.86   2.31     6.83
  SINCE JAN 1     40.52                     41.00  -0.48    29.27

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0       T
  MONTH TO DATE    T                         0.2   -0.2       T
  SINCE OCT 1      T                         0.2   -0.2       T
  SINCE JUL 1      T                         0.2   -0.2       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           16                        21     -5       29
  MONTH TO DATE  375                       387    -12      333
  SINCE SEP 1    544                       802   -258      610
  SINCE JUL 1    544                       807   -263      610

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    2                         0      2        0
  SINCE SEP 1    204                       101    103      177
  SINCE JAN 1    972                       787    185     1124
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    11.6


SKY COVER
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           700 AM
 LOWEST     47          1000 AM
 AVERAGE    59

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        64      1973
 MINIMUM TEMPERATURE (F)   35        20      1987


SUNRISE AND SUNSET
NOVEMBER 21 2017......SUNRISE   647 AM EST   SUNSET   430 PM EST
NOVEMBER 22 2017......SUNRISE   648 AM EST   SUNSET   429 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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