Climatological Report (Daily)
Issued by NWS Upton, NY

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000
CDUS41 KOKX 210617
CLIISP


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
216 AM EDT SUN MAY 21 2017


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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 20 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         65   1257 AM  98    1996  69     -4       74
  MINIMUM         47   1159 PM  35    1992  51     -4       45
  AVERAGE         56                        60     -4       60

PRECIPITATION (IN)
  YESTERDAY        T             1.47 1972   0.12  -0.12     0.00
  MONTH TO DATE    2.62                      2.30   0.32     1.98
  SINCE MAR 1     11.74                     11.08   0.66     7.09
  SINCE JAN 1     17.40                     17.98  -0.58    15.56

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     39.3                      24.8   14.5     41.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        9                         6      3        5
  MONTH TO DATE  162                       169     -7      209
  SINCE MAR 1   1370                      1445    -75     1265
  SINCE JUL 1   4672                      5340   -668     4347

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   28                         4     24        0
  SINCE MAR 1     39                         6     33        0
  SINCE JAN 1     39                         6     33        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     9.3


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1100 PM
 LOWEST     43          1100 AM
 AVERAGE    65

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        90      1996
 MINIMUM TEMPERATURE (F)   51        39      2002


SUNRISE AND SUNSET
MAY 21 2017...........SUNRISE   530 AM EDT   SUNSET   809 PM EDT
MAY 22 2017...........SUNRISE   529 AM EDT   SUNSET   810 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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