578  
CDUS41 KOKX 170634  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
134 AM EST FRI NOV 17 2023  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 16 2023  
 
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)  
YESTERDAY  
MAXIMUM 64 235 PM 70 2001 53 11 52  
MINIMUM 38 644 AM 17 1967 37 1 40  
AVERAGE 51 45 6 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1983 0.10 -0.10 0.21  
MONTH TO DATE 0.11 1.72 -1.61 1.42  
SINCE SEP 1 9.20 9.29 -0.09 9.66  
SINCE JAN 1 39.73 39.59 0.14 34.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1997 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 20 -6 19  
MONTH TO DATE 309 276 33 161  
SINCE SEP 1 557 630 -73 462  
SINCE JUL 1 557 633 -76 462  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 10  
SINCE SEP 1 177 121 56 163  
SINCE JAN 1 955 885 70 1136    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1000 PM  
LOWEST 42 1100 AM  
AVERAGE 71  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 66 2006  
MINIMUM TEMPERATURE (F) 37 15 1967  
 
SUNRISE AND SUNSET  
NOVEMBER 17 2023......SUNRISE 641 AM EST SUNSET 433 PM EST  
NOVEMBER 18 2023......SUNRISE 643 AM EST SUNSET 432 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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