Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 180619
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
219 AM EDT THU MAY 18 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 17 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    217 PM  85    1974  68     11       66
  MINIMUM         53    351 AM  40    1984  50      3       52
                                      1983
                                      1967
  AVERAGE         66                        59      7       59

PRECIPITATION (IN)
  YESTERDAY        0.00          1.94 1990   0.11  -0.11      T
  MONTH TO DATE    2.59                      1.94   0.65     1.98
  SINCE MAR 1     11.71                     10.72   0.99     7.09
  SINCE JAN 1     17.37                     17.62  -0.25    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        6
  MONTH TO DATE  153                       151      2      188
  SINCE MAR 1   1361                      1427    -66     1244
  SINCE JUL 1   4663                      5322   -659     4326

 COOLING
  YESTERDAY        1                         1      0        0
  MONTH TO DATE    5                         1      4        0
  SINCE MAR 1     16                         3     13        0
  SINCE JAN 1     16                         3     13        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    10.2


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     46          1000 AM
 AVERAGE    70

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        89      1977
 MINIMUM TEMPERATURE (F)   50        38      2003


SUNRISE AND SUNSET
MAY 18 2017...........SUNRISE   532 AM EDT   SUNSET   806 PM EDT
MAY 19 2017...........SUNRISE   531 AM EDT   SUNSET   807 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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