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
089
CDUS41 KOKX 290625
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
225 AM EDT WED JUL 29 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR JULY 28 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         80    132 PM  96    1999  83     -3       95
  MINIMUM         72    257 AM  56    1977  68      4       73
                                      2001
  AVERAGE         76                        75      1       84

PRECIPITATION (IN)
  YESTERDAY        T             3.75 1969   0.11  -0.11     0.00
  MONTH TO DATE    5.30                      2.87   2.43     2.71
  SINCE JUN 1      6.12                      6.87  -0.75     4.59
  SINCE JAN 1     21.38                     25.67  -4.29    20.32

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                        30    -20       18
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       11                        10      1       19
  MONTH TO DATE  275                       277     -2      375
  SINCE JUN 1    475                       429     46      615
  SINCE JAN 1    530                       458     72      627
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    12.7


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           100 AM
 LOWEST     76           600 PM
 AVERAGE    87

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        96      2002
 MINIMUM TEMPERATURE (F)   68        55      1968


SUNRISE AND SUNSET
JULY 29 2026..........SUNRISE   546 AM EDT   SUNSET   811 PM EDT
JULY 30 2026..........SUNRISE   547 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.




$$