Climatological Report (Daily)
Issued by NWS Upton, NY

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523
CDUS41 KOKX 182031
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
430 PM EDT FRI AUG 18 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 18 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         81    239 PM  92    2002  80      1       85
  MINIMUM         74    109 AM  52    1979  65      9       72
  AVERAGE         78                        73      5       79

PRECIPITATION (IN)
  TODAY            1.75R         1.32 1998   0.13   1.62     0.01
  MONTH TO DATE    2.60                      2.34   0.26     0.18
  SINCE JUN 1      8.28                     10.04  -1.76     4.53
  SINCE JAN 1     27.22                     29.50  -2.28    21.72

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                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     42                        40      2        8
  SINCE JUL 1      0                         2     -2        0

 COOLING
  TODAY           13                         8      5       14
  MONTH TO DATE  161                       156      5      236
  SINCE JUN 1    639                       572     67      748
  SINCE JAN 1    678                       596     82      792
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.3


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     85           100 PM
 AVERAGE    93

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        91      2002
 MINIMUM TEMPERATURE (F)   65        54      1968


SUNRISE AND SUNSET
AUGUST 18 2017........SUNRISE   606 AM EDT   SUNSET   746 PM EDT
AUGUST 19 2017........SUNRISE   607 AM EDT   SUNSET   744 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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