Climatological Report (Daily)
Issued by NWS Upton, NY

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488
CDUS41 KOKX 260618
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
217 AM EDT TUE SEP 26 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 25 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         85   1138 AM  87    2010  71     14       69
  MINIMUM         64    545 AM  38    1963  54     10       48
  AVERAGE         75                        62     13       59

PRECIPITATION (IN)
  YESTERDAY        0.00          1.69 1975   0.12  -0.12     0.00
  MONTH TO DATE    3.29                      2.94   0.35     2.54
  SINCE SEP 1      3.29                      2.94   0.35     2.54
  SINCE JAN 1     31.64                     34.08  -2.44    24.98

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                         4     -4        6
  MONTH TO DATE   14                        46    -32       13
  SINCE SEP 1     14                        46    -32       13
  SINCE JUL 1     14                        51    -37       13

 COOLING
  YESTERDAY       10                         1      9        0
  MONTH TO DATE  126                        86     40      156
  SINCE SEP 1    126                        86     40      156
  SINCE JAN 1    894                       772    122     1103
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     4.0


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 PM
 LOWEST     47          1100 AM
 AVERAGE    74

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        85      1970
 MINIMUM TEMPERATURE (F)   53        40      1987
                                             1963


SUNRISE AND SUNSET
SEPTEMBER 26 2017.....SUNRISE   644 AM EDT   SUNSET   642 PM EDT
SEPTEMBER 27 2017.....SUNRISE   645 AM EDT   SUNSET   641 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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