Climatological Report (Daily)
Issued by NWS Upton, NY

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858
CDUS41 KOKX 120620
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
220 AM EDT FRI MAY 12 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 11 2017...

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)
 YESTERDAY
  MAXIMUM         62   1215 PM  83    2001  66     -4       73
                                      1965
  MINIMUM         46   1159 PM  34    1966  48     -2       43
  AVERAGE         54                        57     -3       58

PRECIPITATION (IN)
  YESTERDAY        0.00          0.71 1967   0.11  -0.11     0.00
  MONTH TO DATE    1.14                      1.27  -0.13     1.74
  SINCE MAR 1     10.26                     10.05   0.21     6.85
  SINCE JAN 1     15.92                     16.95  -1.03    15.32

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       11                         8      3        7
  MONTH TO DATE  111                       107      4      144
  SINCE MAR 1   1319                      1383    -64     1200
  SINCE JUL 1   4621                      5278   -657     4282

 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    15   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     6.5


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           100 AM
 LOWEST     36          1100 AM
 AVERAGE    61

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        87      1991
 MINIMUM TEMPERATURE (F)   48        37      1990
                                             1983
                                             1969


SUNRISE AND SUNSET
MAY 12 2017...........SUNRISE   538 AM EDT   SUNSET   800 PM EDT
MAY 13 2017...........SUNRISE   537 AM EDT   SUNSET   801 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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