CDUS41 KOKX 092038

CLIISP



CLIMATE REPORT 

NATIONAL WEATHER SERVICE NEW YORK, NY

438 PM EDT FRI MAY 09 2025



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



...THE ISLIP NY CLIMATE SUMMARY FOR MAY 9 2025...

VALID TODAY AS OF 0400 PM LOCAL TIME.



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)                                                          

 TODAY                                                               

  MAXIMUM         61    213 PM  83    1964  66     -5       67       

                                      1993                           

                                      2000                           

  MINIMUM         58    549 AM  34    2020  49      9       52       

  AVERAGE         60                        58      2       60     



PRECIPITATION (IN)                                                    

  TODAY            0.43          2.20 1998   0.10   0.33      T       

  MONTH TO DATE    1.70                      0.97   0.73     1.08     

  SINCE MAR 1      8.44                      9.54  -1.10    14.07     

  SINCE JAN 1     12.76                     16.49  -3.73    23.79     



SNOWFALL (IN)                                                              

  TODAY            0.0           T    1977   0.0    0.0      0.0      

                                      2020                           

  MONTH TO DATE    0.0                       0.0    0.0      0.0      

  SINCE MAR 1      0.0                       7.1   -7.1      0.0      

  SINCE JUL 1     11.7                      31.8  -20.1     10.9      

  SNOW DEPTH       0                                                 



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            5                         8     -3        5        

  MONTH TO DATE   25                        81    -56       59        

  SINCE MAR 1    998                      1321   -323     1084        

  SINCE JUL 1   4480                      5040   -560     4423        



 COOLING                                                              

  TODAY            0                         0      0        0        

  MONTH TO DATE    2                         0      2        1        

  SINCE MAR 1      2                         2      0        5        

  SINCE JAN 1      2                         2      0        5        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (110)       

  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SE (120)       

  AVERAGE WIND SPEED     9.9                                        





SKY COVER                                                             

  AVERAGE SKY COVER 0.8                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  THUNDERSTORM                                                        

  RAIN                                                                

  LIGHT RAIN                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    96          1200 PM                                      

 LOWEST     78           800 AM                                      

 AVERAGE    87                                                        



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





THE ISLIP NY CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   67        85      1970                      

 MINIMUM TEMPERATURE (F)   49        35      1983                      





SUNRISE AND SUNSET                                                    

MAY  9 2025...........SUNRISE   541 AM EDT   SUNSET   757 PM EDT     

MAY 10 2025...........SUNRISE   540 AM EDT   SUNSET   758 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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