Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 202043
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
442 PM EDT SUN MAY 20 2018


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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 20 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         78    259 PM  98    1996  69      9       65
  MINIMUM         58   1257 AM  35    1992  51      7       47
  AVERAGE         68                        60      8       56

PRECIPITATION (IN)
  TODAY            0.03          1.47 1972   0.12  -0.09      T
  MONTH TO DATE    2.61                      2.30   0.31     2.62
  SINCE MAR 1     14.43                     11.08   3.35    11.74
  SINCE JAN 1     24.38                     17.98   6.40    17.40

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     65.9                      24.8   41.1     39.3
  SINCE JUL 1     65.9                      24.8   41.1     39.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         6     -6        9
  MONTH TO DATE  100                       169    -69      162
  SINCE MAR 1   1495                      1445     50     1370
  SINCE JUL 1   4995                      5340   -345     4672

 COOLING
  TODAY            3                         1      2        0
  MONTH TO DATE   20                         4     16       28
  SINCE MAR 1     20                         6     14       39
  SINCE JAN 1     20                         6     14       39
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    11.1


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     62           300 PM
 AVERAGE    81

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        90      1996
 MINIMUM TEMPERATURE (F)   51        39      2002


SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE   531 AM EDT   SUNSET   808 PM EDT
MAY 21 2018...........SUNRISE   530 AM EDT   SUNSET   809 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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