Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 202042
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
441 PM EDT WED SEP 20 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 20 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         78    216 PM  87    1983  73      5       80
  MINIMUM         68   1204 AM  38    1979  56     12       68
  AVERAGE         73                        64      9       74

PRECIPITATION (IN)
  TODAY            T             0.96 1988   0.12  -0.12     0.01
  MONTH TO DATE    3.29                      2.33   0.96     2.48
  SINCE SEP 1      3.29                      2.33   0.96     2.48
  SINCE JAN 1     31.64                     33.47  -1.83    24.92

SNOWFALL (IN)
  TODAY            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
  TODAY            0                         3     -3        0
  MONTH TO DATE   14                        28    -14        4
  SINCE SEP 1     14                        28    -14        4
  SINCE JUL 1     14                        33    -19        4

 COOLING
  TODAY            8                         2      6        9
  MONTH TO DATE   78                        78      0      137
  SINCE SEP 1     78                        78      0      137
  SINCE JAN 1    846                       764     82     1084
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    19.4


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     69           200 PM
 AVERAGE    81

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        84      1980
 MINIMUM TEMPERATURE (F)   55        43      1991
                                             1973


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   638 AM EDT   SUNSET   653 PM EDT
SEPTEMBER 21 2017.....SUNRISE   639 AM EDT   SUNSET   651 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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