958  
CDUS41 KOKX 040739  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
239 AM EST MON DEC 04 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 3 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 51 338 PM 67 1998 48 3 58  
MINIMUM 45 1111 PM 8 1976 33 12 45  
AVERAGE 48 40 8 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.73 1.41 1967 0.15 0.58 0.45  
MONTH TO DATE 1.09 0.45 0.64 0.45  
SINCE DEC 1 1.09 0.45 0.64 0.45  
SINCE JAN 1 42.72 41.73 0.99 35.64  
 
SNOWFALL (IN)  
YESTERDAY MM 1.1 2019 0.1 MM 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE DEC 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 T 0.7 -0.7 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 25 -8 13  
MONTH TO DATE 50 73 -23 69  
SINCE DEC 1 50 73 -23 69  
SINCE JUL 1 939 1012 -73 861  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 955 885 70 1136    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 96 700 PM  
AVERAGE 98  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 73 1998  
MINIMUM TEMPERATURE (F) 33 13 1966  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 700 AM EST SUNSET 425 PM EST  
DECEMBER 5 2023......SUNRISE 701 AM EST SUNSET 425 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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