730  
CDUS41 KOKX 292135  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
435 PM EST FRI DEC 29 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 29 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 54 304 PM 65 1984 41 13 50  
MINIMUM 44 718 AM 11 1963 27 17 28  
2017  
AVERAGE 49 34 15 39  
 
PRECIPITATION (IN)  
TODAY T 1.56 2013 0.13 -0.13 0.00  
MONTH TO DATE 8.56 4.43 4.13 3.93  
SINCE DEC 1 8.56 4.43 4.13 3.93  
SINCE JAN 1 50.19 45.71 4.48 39.12  
 
SNOWFALL (IN)  
TODAY 0.0 3.1 1987 0.2 -0.2 0.0  
MONTH TO DATE T 4.0 -4.0 0.4  
SINCE DEC 1 T 4.0 -4.0 0.4  
SINCE JUL 1 T 4.5 -4.5 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 16 31 -15 26  
MONTH TO DATE 648 802 -154 827  
SINCE DEC 1 648 802 -154 827  
SINCE JUL 1 1537 1741 -204 1619  
 
COOLING  
TODAY 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 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 71 400 PM  
AVERAGE 86  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 60 1984  
MINIMUM TEMPERATURE (F) 27 1 1963  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 716 AM EST SUNSET 433 PM EST  
DECEMBER 30 2023......SUNRISE 716 AM EST SUNSET 434 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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