655  
CDUS41 KOKX 140628  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
228 AM EDT MON APR 14 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 13 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 57 207 PM 84 2023 57 0 54  
MINIMUM 39 521 AM 27 1990 40 -1 48  
AVERAGE 48 49 -1 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 3.69 2004 0.14 -0.02 T  
MONTH TO DATE 1.39 1.79 -0.40 2.86  
SINCE MAR 1 6.15 6.30 -0.15 12.40  
SINCE JAN 1 10.47 13.25 -2.78 22.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE MAR 1 0.0 7.0 -7.0 0.0  
SINCE JUL 1 11.7 31.7 -20.0 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 16 1 14  
MONTH TO DATE 235 238 -3 211  
SINCE MAR 1 849 1018 -169 802  
SINCE JUL 1 4331 4737 -406 4141  
 
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 24 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 51 200 PM  
AVERAGE 72  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 84 2023  
MINIMUM TEMPERATURE (F) 41 28 1975  
2000  
 
SUNRISE AND SUNSET  
APRIL 14 2025.........SUNRISE 615 AM EDT SUNSET 731 PM EDT  
APRIL 15 2025.........SUNRISE 613 AM EDT SUNSET 732 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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