376  
CDUS41 KOKX 212040  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
440 PM EDT SUN APR 21 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 21 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 52 241 PM 76 1976 61 -9 66  
1996  
2007  
MINIMUM 36 543 AM 30 1965 43 -7 45  
AVERAGE 44 52 -8 56  
 
PRECIPITATION (IN)  
TODAY 0.00 3.44 2000 0.13 -0.13 T  
MONTH TO DATE 3.34 2.86 0.48 0.61  
SINCE MAR 1 12.88 7.37 5.51 4.44  
SINCE JAN 1 22.60 14.32 8.28 11.03  
 
SNOWFALL (IN)  
TODAY 0.0 T 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.0  
SINCE MAR 1 0.0 7.1 -7.1 1.6  
SINCE JUL 1 10.9 31.8 -20.9 5.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 13 8 9  
MONTH TO DATE 313 355 -42 237  
SINCE MAR 1 904 1135 -231 950  
SINCE JUL 1 4243 4854 -611 4089  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 12  
SINCE MAR 1 1 0 1 12  
SINCE JAN 1 1 0 1 12    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 600 AM  
LOWEST 38 200 PM  
AVERAGE 57  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 75 1985  
2007  
MINIMUM TEMPERATURE (F) 43 29 1975  
 
SUNRISE AND SUNSET  
APRIL 21 2024.........SUNRISE 604 AM EDT SUNSET 739 PM EDT  
APRIL 22 2024.........SUNRISE 602 AM EDT SUNSET 740 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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