431  
CDUS41 KOKX 282038  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
438 PM EDT THU MAY 28 2026  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 28 2026
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 1238 PM 90 1991 72 5 67  
MINIMUM 63 445 AM 38 1994 55 8 54  
AVERAGE 70 63 7 61  
 
PRECIPITATION (IN)  
TODAY T 1.55 2021 0.11 -0.11 0.18  
MONTH TO DATE 2.67 2.92 -0.25 4.07  
SINCE MAR 1 9.01 11.49 -2.48 10.81  
SINCE JAN 1 15.25 18.44 -3.19 15.13  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.2 7.1 -6.9 0.0  
SINCE JUL 1 61.8 31.8 30.0 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 4  
MONTH TO DATE 170 186 -16 106  
SINCE MAR 1 1320 1426 -106 1079  
SINCE JUL 1 5176 5145 31 4561  
 
COOLING  
TODAY 5 2 3 0  
MONTH TO DATE 46 19 27 12  
SINCE MAR 1 57 21 36 12  
SINCE JAN 1 57 21 36 12    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 400 AM  
LOWEST 38 200 PM  
AVERAGE 54  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 1969  
MINIMUM TEMPERATURE (F) 55 43 1992  
 
SUNRISE AND SUNSET  
MAY 28 2026...........SUNRISE 525 AM EDT SUNSET 815 PM EDT  
MAY 29 2026...........SUNRISE 525 AM EDT SUNSET 815 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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