Climatological Report (Daily)
Issued by NWS Upton, NY

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436
CDUS41 KOKX 180652
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
152 AM EST THU JAN 18 2018


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

...THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         41    410 AM  55    1999  38      3       42
  MINIMUM         25   1159 PM  -3    1965  23      2       33
  AVERAGE         33                        30      3       38

PRECIPITATION (IN)
  YESTERDAY        0.22          0.70 1994   0.13   0.09     0.38
  MONTH TO DATE    2.34                      2.07   0.27     2.73
  SINCE DEC 1      4.46                      6.13  -1.67     6.26
  SINCE JAN 1      2.34                      2.07   0.27     2.73

SNOWFALL (IN)
  YESTERDAY        T             4.7  1985   0.3   -0.3      0.0
  MONTH TO DATE   16.0                       3.8   12.2     12.8
  SINCE OCT 1     22.0                       9.7   12.3     16.0
  SINCE JUL 1     22.0                       9.7   12.3     16.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        35     -3       27
  MONTH TO DATE  664                       583     81      531
  SINCE DEC 1   1623                      1494    129     1404
  SINCE JUL 1   2374                      2510   -136     2195

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     7.9


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     69          1100 PM
 AVERAGE    85

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        60      1973
 MINIMUM TEMPERATURE (F)   23        -8      1965


SUNRISE AND SUNSET
JANUARY 18 2018.......SUNRISE   713 AM EST   SUNSET   453 PM EST
JANUARY 19 2018.......SUNRISE   713 AM EST   SUNSET   454 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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