Climatological Report (Daily)
Issued by NWS Upton, NY

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105
CDUS41 KOKX 190616
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
216 AM EDT TUE SEP 19 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 18 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         73    329 PM  85    1965  73      0       81
  MINIMUM         66    139 AM  43    1990  57      9       69
                                      1986
  AVERAGE         70                        65      5       75

PRECIPITATION (IN)
  YESTERDAY        T             0.85 2004   0.12  -0.12      T
  MONTH TO DATE    2.58                      2.10   0.48     1.18
  SINCE SEP 1      2.58                      2.10   0.48     1.18
  SINCE JAN 1     30.93                     33.24  -2.31    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        0
  MONTH TO DATE   14                        22     -8        4
  SINCE SEP 1     14                        22     -8        4
  SINCE JUL 1     14                        27    -13        4

 COOLING
  YESTERDAY        5                         2      3       10
  MONTH TO DATE   65                        74     -9      122
  SINCE SEP 1     65                        74     -9      122
  SINCE JAN 1    833                       760     73     1069
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     8.2


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     90          1100 AM
 AVERAGE    95

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        85      1983
 MINIMUM TEMPERATURE (F)   56        44      1990


SUNRISE AND SUNSET
SEPTEMBER 19 2017.....SUNRISE   637 AM EDT   SUNSET   654 PM EDT
SEPTEMBER 20 2017.....SUNRISE   638 AM EDT   SUNSET   653 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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