012  
CDUS41 KOKX 110616  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
216 AM EDT SAT OCT 11 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 10 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 64 1240 PM 84 1997 66 -2 63  
MINIMUM 40 401 AM 32 2000 49 -9 47  
AVERAGE 52 58 -6 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1971 0.13 -0.13 0.00  
MONTH TO DATE 0.25 1.29 -1.04 0.10  
SINCE SEP 1 1.83 4.89 -3.06 0.34  
SINCE JAN 1 25.61 35.19 -9.58 39.21  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1979 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 10  
MONTH TO DATE 44 64 -20 35  
SINCE SEP 1 51 117 -66 53  
SINCE JUL 1 51 120 -69 54  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 20 10 10 3  
SINCE SEP 1 176 118 58 83  
SINCE JAN 1 1104 882 222 1004    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 1200 AM  
LOWEST 39 1200 PM  
AVERAGE 55  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 78 1990  
MINIMUM TEMPERATURE (F) 49 31 1993  
 
SUNRISE AND SUNSET  
OCTOBER 11 2025.......SUNRISE 700 AM EDT SUNSET 618 PM EDT  
OCTOBER 12 2025.......SUNRISE 701 AM EDT SUNSET 616 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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