446  
CDUS41 KOKX 172041  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
441 PM EDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 66 119 PM 80 1963 64 2 66  
MINIMUM 47 509 AM 34 1965 47 0 51  
AVERAGE 57 55 2 59  
 
PRECIPITATION (IN)  
TODAY 0.00 1.06 1991 0.13 -0.13 0.23  
MONTH TO DATE 0.73 2.17 -1.44 4.01  
SINCE SEP 1 7.51 5.77 1.74 6.90  
SINCE JAN 1 38.04 36.07 1.97 31.35  
 
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 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  
TODAY 8 10 -2 6  
MONTH TO DATE 93 127 -34 125  
SINCE SEP 1 137 180 -43 160  
SINCE JUL 1 137 183 -46 160  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 14 10 4 7  
SINCE SEP 1 172 118 54 147  
SINCE JAN 1 950 882 68 1120    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 AM  
LOWEST 48 300 PM  
AVERAGE 72  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 76 2016  
MINIMUM TEMPERATURE (F) 46 31 1965  
1978  
1982  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 706 AM EDT SUNSET 609 PM EDT  
OCTOBER 18 2023.......SUNRISE 707 AM EDT SUNSET 608 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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