154  
CDUS41 KOKX 092035  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
435 PM EDT WED APR 09 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 9 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 47 229 PM 82 2013 56 -9 72  
MINIMUM 31 538 AM 26 1977 39 -8 44  
1982  
2018  
AVERAGE 39 47 -8 58  
 
PRECIPITATION (IN)  
TODAY 0.00 1.46 1998 0.15 -0.15 0.00  
MONTH TO DATE 0.99 1.21 -0.22 2.16  
SINCE MAR 1 5.75 5.72 0.03 11.70  
SINCE JAN 1 10.07 12.67 -2.60 21.42  
 
SNOWFALL (IN)  
TODAY 0.0 4.5 1996 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE MAR 1 0.0 6.9 -6.9 0.0  
SINCE JUL 1 11.7 31.6 -19.9 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 26 18 8 7  
MONTH TO DATE 153 171 -18 167  
SINCE MAR 1 767 951 -184 758  
SINCE JUL 1 4249 4670 -421 4097  
 
COOLING  
TODAY 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 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 45 300 AM  
LOWEST 26 200 PM  
AVERAGE 36  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 77 1991  
MINIMUM TEMPERATURE (F) 39 25 1975  
 
SUNRISE AND SUNSET  
APRIL 9 2025.........SUNRISE 623 AM EDT SUNSET 726 PM EDT  
APRIL 10 2025.........SUNRISE 621 AM EDT SUNSET 727 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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