Climatological Report (Daily)
Issued by NWS Upton, NY

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431
CDUS41 KOKX 202048
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
446 PM EDT THU APR 20 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR APRIL 20 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1984 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         65    246 PM  82    2005  59      6       65
  MINIMUM         48    207 AM  32    2001  42      6       48
  AVERAGE         57                        51      6       57

PRECIPITATION (IN)
  TODAY            0.36          1.01 2009   0.14   0.22     0.00
  MONTH TO DATE    2.36                      2.96  -0.60     1.61
  SINCE MAR 1      7.81                      7.40   0.41     4.33
  SINCE JAN 1     13.47                     14.30  -0.83    12.80

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.5   -0.5      0.2
  SINCE OCT 1     39.3                      24.7   14.6     41.4
  SINCE JUL 1     39.3                      24.7   14.6     41.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            8                        14     -6        8
  MONTH TO DATE  265                       350    -85      351
  SINCE MAR 1   1121                      1147    -26      950
  SINCE JUL 1   4423                      5042   -619     4032

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE MAR 1      3                         0      3        0
  SINCE JAN 1      3                         0      3        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     63           300 PM
 AVERAGE    82

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        76      2007
                                             1996
 MINIMUM TEMPERATURE (F)   42        33      2014


SUNRISE AND SUNSET
APRIL 20 2017.........SUNRISE   606 AM EDT   SUNSET   737 PM EDT
APRIL 21 2017.........SUNRISE   604 AM EDT   SUNSET   738 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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