Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 200618
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
218 AM EDT WED SEP 20 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 19 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         72    403 PM  85    1983  73     -1       73
  MINIMUM         68   1159 PM  44    1990  56     12       69
  AVERAGE         70                        64      6       71

PRECIPITATION (IN)
  YESTERDAY        0.71          1.61 1972   0.11   0.60     1.29
  MONTH TO DATE    3.29                      2.21   1.08     2.47
  SINCE SEP 1      3.29                      2.21   1.08     2.47
  SINCE JAN 1     31.64                     33.35  -1.71    24.91

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                         3     -3        0
  MONTH TO DATE   14                        25    -11        4
  SINCE SEP 1     14                        25    -11        4
  SINCE JUL 1     14                        30    -16        4

 COOLING
  YESTERDAY        5                         2      3        6
  MONTH TO DATE   70                        76     -6      128
  SINCE SEP 1     70                        76     -6      128
  SINCE JAN 1    838                       762     76     1075
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    18.0


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM
 LOWEST     90           300 AM
 AVERAGE    94

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        87      1983
 MINIMUM TEMPERATURE (F)   56        38      1979


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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