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
836
CDUS41 KOKX 100621
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
221 AM EDT MON AUG 10 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 9 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         90    353 PM 100    2001  82      8       83
  MINIMUM         74   1159 PM  54    1964  67      7       56
  AVERAGE         82                        75      7       70

PRECIPITATION (IN)
  YESTERDAY        0.00          2.84 1976   0.15  -0.15     0.00
  MONTH TO DATE    2.55                      1.29   1.26     0.04
  SINCE JUN 1     10.98                      8.55   2.43     7.56
  SINCE JAN 1     26.24                     27.35  -1.11    23.29

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       17                        10      7        5
  MONTH TO DATE  117                        90     27       65
  SINCE JUN 1    617                       554     63      734
  SINCE JAN 1    672                       583     89      746
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.1


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91           600 AM
 LOWEST     44           400 PM
 AVERAGE    68

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        91      2009
 MINIMUM TEMPERATURE (F)   67        51      1964


SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE   558 AM EDT   SUNSET   757 PM EDT
AUGUST 11 2026........SUNRISE   559 AM EDT   SUNSET   756 PM EDT


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




$$