680  
CDUS41 KOKX 120618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
218 AM EDT SUN OCT 12 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 11 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 71 1151 AM 78 1990 66 5 69  
MINIMUM 58 130 AM 31 1993 49 9 40  
AVERAGE 65 57 8 55  
 
PRECIPITATION (IN)  
YESTERDAY T 2.47 2006 0.12 -0.12 0.00  
MONTH TO DATE 0.25 1.41 -1.16 0.10  
SINCE SEP 1 1.83 5.01 -3.18 0.34  
SINCE JAN 1 25.61 35.31 -9.70 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 0 8 -8 10  
MONTH TO DATE 44 72 -28 45  
SINCE SEP 1 51 125 -74 63  
SINCE JUL 1 51 128 -77 64  
 
COOLING  
YESTERDAY 0 0 0 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 21 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 700 AM  
LOWEST 61 1100 AM  
AVERAGE 70  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 80 1995  
MINIMUM TEMPERATURE (F) 49 28 1964  
 
SUNRISE AND SUNSET  
OCTOBER 12 2025.......SUNRISE 701 AM EDT SUNSET 616 PM EDT  
OCTOBER 13 2025.......SUNRISE 702 AM EDT SUNSET 615 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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