Climatological Report (Daily)
Issued by NWS Upton, NY

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395
CDUS41 KOKX 100623
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
220 AM EDT SUN SEP 10 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 9 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         70    301 PM  91    2016  76     -6       91
  MINIMUM         54    539 AM  45    1986  60     -6       73
  AVERAGE         62                        68     -6       82

PRECIPITATION (IN)
  YESTERDAY        0.00          0.72 1969   0.11  -0.11     0.05
  MONTH TO DATE    2.58                      1.06   1.52     1.08
  SINCE SEP 1      2.58                      1.06   1.52     1.08
  SINCE JAN 1     30.93                     32.20  -1.27    23.52

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        3                         1      2        0
  MONTH TO DATE   14                         7      7        0
  SINCE SEP 1     14                         7      7        0
  SINCE JUL 1     14                        12      2        0

 COOLING
  YESTERDAY        0                         4     -4       17
  MONTH TO DATE   19                        45    -26       76
  SINCE SEP 1     19                        45    -26       76
  SINCE JAN 1    787                       731     56     1023
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     9.3


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1200 AM
 LOWEST     47           100 PM
 AVERAGE    67

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        90      1983
 MINIMUM TEMPERATURE (F)   60        39      1975


SUNRISE AND SUNSET
SEPTEMBER 10 2017.....SUNRISE   628 AM EDT   SUNSET   709 PM EDT
SEPTEMBER 11 2017.....SUNRISE   629 AM EDT   SUNSET   708 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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