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
216 AM EDT SUN SEP 17 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 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         80    124 PM  88    1998  74      6       73
  MINIMUM         67   1032 PM  44    1964  58      9       52
  AVERAGE         74                        66      8       63

PRECIPITATION (IN)
  YESTERDAY        0.00          2.26 1999   0.12  -0.12     0.00
  MONTH TO DATE    2.58                      1.86   0.72     1.18
  SINCE SEP 1      2.58                      1.86   0.72     1.18
  SINCE JAN 1     30.93                     33.00  -2.07    23.62

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      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        2
  MONTH TO DATE   14                        18     -4        2
  SINCE SEP 1     14                        18     -4        2
  SINCE JUL 1     14                        23     -9        2

 COOLING
  YESTERDAY        9                         3      6        0
  MONTH TO DATE   52                        69    -17      112
  SINCE SEP 1     52                        69    -17      112
  SINCE JAN 1    820                       755     65     1059
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     4.2


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     71          1100 AM
 AVERAGE    86

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        87      1991
 MINIMUM TEMPERATURE (F)   57        45      1986


SUNRISE AND SUNSET
SEPTEMBER 17 2017.....SUNRISE   635 AM EDT   SUNSET   658 PM EDT
SEPTEMBER 18 2017.....SUNRISE   636 AM EDT   SUNSET   656 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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