Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 202041
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
441 PM EDT SAT MAY 20 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 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         65   1257 AM  98    1996  69     -4       74
  MINIMUM         57    708 AM  35    1992  51      6       45
  AVERAGE         61                        60      1       60

PRECIPITATION (IN)
  TODAY            T             1.47 1972   0.12  -0.12     0.00
  MONTH TO DATE    2.62                      2.30   0.32     1.98
  SINCE MAR 1     11.74                     11.08   0.66     7.09
  SINCE JAN 1     17.40                     17.98  -0.58    15.56

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     39.3                      24.8   14.5     41.4
  SINCE JUL 1     39.3                      24.8   14.5     41.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            4                         6     -2        5
  MONTH TO DATE  157                       169    -12      209
  SINCE MAR 1   1365                      1445    -80     1265
  SINCE JUL 1   4667                      5340   -673     4347

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   28                         4     24        0
  SINCE MAR 1     39                         6     33        0
  SINCE JAN 1     39                         6     33        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED    11.7


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67          1200 AM
 LOWEST     43          1100 AM
 AVERAGE    55

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


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 2017...........SUNRISE   531 AM EDT   SUNSET   808 PM EDT
MAY 21 2017...........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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