382  
CDUS41 KOKX 280637  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
237 AM EDT FRI MAR 28 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MARCH 27 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 507 PM 78 1998 51 0 55  
MINIMUM 32 618 AM 22 1975 35 -3 39  
2001  
2014  
AVERAGE 42 43 -1 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.64 1978 0.15 -0.15 0.01  
MONTH TO DATE 4.30 3.96 0.34 7.81  
SINCE MAR 1 4.30 3.96 0.34 7.81  
SINCE JAN 1 8.62 10.91 -2.29 17.53  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1994 0.1 -0.1 0.0  
MONTH TO DATE 0.0 6.0 -6.0 0.0  
SINCE MAR 1 0.0 6.0 -6.0 0.0  
SINCE JUL 1 11.7 30.7 -19.0 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 22 1 18  
MONTH TO DATE 568 695 -127 526  
SINCE MAR 1 568 695 -127 526  
SINCE JUL 1 4050 4414 -364 3865  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 300 AM  
LOWEST 19 500 PM  
AVERAGE 43  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 79 1991  
MINIMUM TEMPERATURE (F) 35 18 1966  
1990  
 
SUNRISE AND SUNSET  
MARCH 28 2025.........SUNRISE 642 AM EDT SUNSET 713 PM EDT  
MARCH 29 2025.........SUNRISE 640 AM EDT SUNSET 714 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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