822  
CDUS41 KOKX 190629  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
129 AM EST SUN NOV 19 2023  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 18 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 58 827 AM 69 1987 53 5 45  
MINIMUM 35 1142 PM 24 2014 37 -2 30  
2020  
AVERAGE 47 45 2 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.81 1968 0.11 -0.07 0.00  
MONTH TO DATE 0.15 1.94 -1.79 1.42  
SINCE SEP 1 9.24 9.51 -0.27 9.66  
SINCE JAN 1 39.77 39.81 -0.04 34.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1984 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 18 20 -2 27  
MONTH TO DATE 340 316 24 211  
SINCE SEP 1 588 670 -82 512  
SINCE JUL 1 588 673 -85 512  
 
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 26 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 31 500 PM  
AVERAGE 64  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 63 1985  
1999  
MINIMUM TEMPERATURE (F) 37 22 2014  
2020  
 
SUNRISE AND SUNSET  
NOVEMBER 19 2023......SUNRISE 644 AM EST SUNSET 431 PM EST  
NOVEMBER 20 2023......SUNRISE 645 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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