Climatological Report (Daily)
Issued by NWS Upton, NY

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178
CDUS41 KOKX 150638
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
238 AM EDT TUE JUL 15 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR JULY 14 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    213 PM  94    1997  83      1       90
                                      2019
  MINIMUM         74    954 PM  57    1999  68      6       70
  AVERAGE         79                        75      4       80

PRECIPITATION (IN)
  YESTERDAY        0.20          0.64 2014   0.10   0.10     0.00
  MONTH TO DATE    1.93                      1.34   0.59     1.00
  SINCE JUN 1      3.81                      5.34  -1.53     3.44
  SINCE JAN 1     19.54                     24.14  -4.60    30.82

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     18                        30    -12        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       14                        10      4       15
  MONTH TO DATE  183                       135     48      170
  SINCE JUN 1    423                       287    136      388
  SINCE JAN 1    435                       316    119      430
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     8.5


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94          1100 PM
 LOWEST     77          1100 AM
 AVERAGE    86

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        97      1995
 MINIMUM TEMPERATURE (F)   68        56      1999
                                             2009


SUNRISE AND SUNSET
JULY 15 2025..........SUNRISE   534 AM EDT   SUNSET   822 PM EDT
JULY 16 2025..........SUNRISE   535 AM EDT   SUNSET   822 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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