Climatological Report (Daily)
Issued by NWS Upton, NY

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243
CDUS41 KOKX 180644
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
244 AM EDT FRI AUG 18 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 17 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         80    124 PM  91    1997  81     -1       87
  MINIMUM         66    525 AM  54    1979  66      0       75
  AVERAGE         73                        73      0       81

PRECIPITATION (IN)
  YESTERDAY        0.00          1.27 1992   0.13  -0.13     0.00
  MONTH TO DATE    0.85                      2.21  -1.36     0.17
  SINCE JUN 1      6.53                      9.91  -3.38     4.52
  SINCE JAN 1     25.47                     29.37  -3.90    21.71

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                         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
  YESTERDAY        8                         8      0       16
  MONTH TO DATE  148                       148      0      222
  SINCE JUN 1    626                       564     62      734
  SINCE JAN 1    665                       588     77      778
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     39           100 PM
 AVERAGE    66

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        92      2002
 MINIMUM TEMPERATURE (F)   65        52      1979


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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