Climatological Report (Daily)
Issued by NWS Upton, NY

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
008
CDUS41 KOKX 170633
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
233 AM EDT MON AUG 17 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 16 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         81   1201 PM  90    1997  82     -1       82
                                      2001
                                      2018
  MINIMUM         65    540 AM  50    1972  66     -1       74
  AVERAGE         73                        74     -1       78

PRECIPITATION (IN)
  YESTERDAY        0.04          2.40 1992   0.14  -0.10     0.00
  MONTH TO DATE    2.69                      2.27   0.42     0.15
  SINCE JUN 1     11.12                      9.53   1.59     7.67
  SINCE JAN 1     26.38                     28.33  -1.95    23.40

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 JUN 1      0.0                       0.0    0.0      0.0
  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     10                        31    -21       18
  SINCE JUL 1      0                         1     -1        0

 COOLING
  YESTERDAY        8                         9     -1       13
  MONTH TO DATE  198                       154     44      161
  SINCE JUN 1    698                       618     80      830
  SINCE JAN 1    753                       647    106      842
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     8.5


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     54          1200 PM
 AVERAGE    74

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        91      1997
 MINIMUM TEMPERATURE (F)   66        54      1979


SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE   605 AM EDT   SUNSET   748 PM EDT
AUGUST 18 2026........SUNRISE   606 AM EDT   SUNSET   746 PM EDT


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




$$