Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 080631
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
131 AM EST FRI DEC 8 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 7 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         46    234 PM  77    1998  46      0       46
  MINIMUM         33    739 AM   8    2002  31      2       35
  AVERAGE         40                        38      2       41

PRECIPITATION (IN)
  YESTERDAY        0.00          1.64 1996   0.14  -0.14     0.05
  MONTH TO DATE    0.54                      0.98  -0.44     0.53
  SINCE DEC 1      0.54                      0.98  -0.44     0.53
  SINCE JAN 1     41.86                     43.16  -1.30    31.99

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       0.7   -0.7      0.0
  SINCE OCT 1      T                         1.2   -1.2       T
  SINCE JUL 1      T                         1.2   -1.2       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        27     -2       24
  MONTH TO DATE  147                       180    -33      160
  SINCE DEC 1    147                       180    -33      160
  SINCE JUL 1    898                      1196   -298      951

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    972                       787    185     1124
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     9.3


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           700 AM
 LOWEST     28          1200 PM
 AVERAGE    46

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        62      1980
 MINIMUM TEMPERATURE (F)   31        15      1970


SUNRISE AND SUNSET
DECEMBER  8 2017......SUNRISE   704 AM EST   SUNSET   425 PM EST
DECEMBER  9 2017......SUNRISE   705 AM EST   SUNSET   425 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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