Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 170617
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
217 AM EDT WED MAY 17 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 16 2017...

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)
 YESTERDAY
  MAXIMUM         79    345 PM  86    1998  68     11       66
  MINIMUM         50    430 AM  39    2000  50      0       41
  AVERAGE         65                        59      6       54

PRECIPITATION (IN)
  YESTERDAY        0.00          4.01 1989   0.11  -0.11     0.00
  MONTH TO DATE    2.59                      1.83   0.76     1.98
  SINCE MAR 1     11.71                     10.61   1.10     7.09
  SINCE JAN 1     17.37                     17.51  -0.14    15.56

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        0                         7     -7       11
  MONTH TO DATE  153                       144      9      182
  SINCE MAR 1   1361                      1420    -59     1238
  SINCE JUL 1   4663                      5315   -652     4320

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    4                         0      4        0
  SINCE MAR 1     15                         2     13        0
  SINCE JAN 1     15                         2     13        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     8.1


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1100 PM
 LOWEST     33           100 PM
 AVERAGE    60

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        85      1974
 MINIMUM TEMPERATURE (F)   50        40      1984
                                             1983
                                             1967


SUNRISE AND SUNSET
MAY 17 2017...........SUNRISE   533 AM EDT   SUNSET   805 PM EDT
MAY 18 2017...........SUNRISE   532 AM EDT   SUNSET   806 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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