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
201
CDUS41 KOKX 010619
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
219 AM EDT THU OCT 01 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 30 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         70    133 PM  82    1986  70      0       82
                                      2025
  MINIMUM         60   1159 PM  40    1992  53      7       63
                                      2000
  AVERAGE         65                        62      3       73

PRECIPITATION (IN)
  YESTERDAY        0.00          2.08 1979   0.14  -0.14     0.00
  MONTH TO DATE    8.76                      3.60   5.16     1.58
  SINCE SEP 1      8.76                      3.60   5.16     1.58
  SINCE JAN 1     40.39                     33.90   6.49    25.36

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 SEP 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                         5     -5        0
  MONTH TO DATE   30                        53    -23        7
  SINCE SEP 1     30                        53    -23        7
  SINCE JUL 1     30                        56    -26        7

 COOLING
  YESTERDAY        0                         1     -1        8
  MONTH TO DATE  111                       108      3      156
  SINCE SEP 1    111                       108      3      156
  SINCE JAN 1    984                       872    112     1084
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     5.4


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           800 PM
 LOWEST     65          1200 PM
 AVERAGE    79

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        83      1986
 MINIMUM TEMPERATURE (F)   53        37      1992


SUNRISE AND SUNSET
OCTOBER  1 2026.......SUNRISE   649 AM EDT   SUNSET   634 PM EDT
OCTOBER  2 2026.......SUNRISE   650 AM EDT   SUNSET   633 PM EDT


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




$$