020  
CDUS41 KOKX 190822  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
322 AM EST MON FEB 19 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR FEBRUARY 18 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 441 PM 61 1981 42 -3 42  
MINIMUM 18 516 AM -2 1979 26 -8 26  
AVERAGE 29 34 -5 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 1999 0.13 -0.13 0.00  
MONTH TO DATE 1.21 2.02 -0.81 0.63  
SINCE DEC 1 17.09 10.39 6.70 10.02  
SINCE JAN 1 8.53 5.68 2.85 5.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.9 2021 0.3 -0.3 0.0  
MONTH TO DATE 7.8 6.5 1.3 0.3  
SINCE DEC 1 10.9 21.3 -10.4 0.7  
SINCE JUL 1 10.9 21.8 -10.9 0.7  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 31 5 31  
MONTH TO DATE 517 587 -70 473  
SINCE DEC 1 2136 2478 -342 2072  
SINCE JUL 1 3025 3417 -392 2864  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 700 AM  
LOWEST 40 400 PM  
AVERAGE 57  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 65 2017  
MINIMUM TEMPERATURE (F) 26 5 1967  
 
SUNRISE AND SUNSET  
FEBRUARY 19 2024......SUNRISE 642 AM EST SUNSET 531 PM EST  
FEBRUARY 20 2024......SUNRISE 640 AM EST SUNSET 533 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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