326  
CDUS41 KOKX 180628  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
128 AM EST SAT NOV 18 2023  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 17 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 65 1212 PM 66 2006 53 12 48  
MINIMUM 38 653 AM 15 1967 37 1 36  
AVERAGE 52 45 7 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.59 2014 0.11 -0.11 0.00  
MONTH TO DATE 0.11 1.83 -1.72 1.42  
SINCE SEP 1 9.20 9.40 -0.20 9.66  
SINCE JAN 1 39.73 39.70 0.03 34.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2019 0.0 0.0 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 13 20 -7 23  
MONTH TO DATE 322 296 26 184  
SINCE SEP 1 570 650 -80 485  
SINCE JUL 1 570 653 -83 485  
 
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 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 69 1100 AM  
AVERAGE 85  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 69 1987  
MINIMUM TEMPERATURE (F) 37 24 2014  
2020  
 
SUNRISE AND SUNSET  
NOVEMBER 18 2023......SUNRISE 643 AM EST SUNSET 432 PM EST  
NOVEMBER 19 2023......SUNRISE 644 AM EST SUNSET 431 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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