395  
CDUS41 KOKX 100623  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
223 AM EDT FRI OCT 10 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 9 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 61 332 PM 85 2011 67 -6 70  
MINIMUM 43 1124 PM 30 2001 50 -7 48  
AVERAGE 52 58 -6 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.97 1977 0.13 -0.13 0.00  
MONTH TO DATE 0.25 1.16 -0.91 0.10  
SINCE SEP 1 1.83 4.76 -2.93 0.34  
SINCE JAN 1 25.61 35.06 -9.45 39.21  
 
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 13 8 5 6  
MONTH TO DATE 31 56 -25 25  
SINCE SEP 1 38 109 -71 43  
SINCE JUL 1 38 112 -74 44  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 20 9 11 3  
SINCE SEP 1 176 117 59 83  
SINCE JAN 1 1104 881 223 1004    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 1100 PM  
LOWEST 26 200 PM  
AVERAGE 48  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 84 1997  
MINIMUM TEMPERATURE (F) 49 32 2000  
 
SUNRISE AND SUNSET  
OCTOBER 10 2025.......SUNRISE 659 AM EDT SUNSET 619 PM EDT  
OCTOBER 11 2025.......SUNRISE 700 AM EDT SUNSET 618 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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