148  
CDUS41 KOKX 200620  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
220 AM EDT SAT APR 20 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 19 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 55 211 PM 82 1985 60 -5 59  
MINIMUM 45 605 AM 27 1965 42 3 39  
AVERAGE 50 51 -1 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.79 1983 0.14 -0.14 0.00  
MONTH TO DATE 3.16 2.60 0.56 0.61  
SINCE MAR 1 12.70 7.11 5.59 4.44  
SINCE JAN 1 22.42 14.06 8.36 11.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1983 0.1 -0.1 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  
YESTERDAY 15 14 1 16  
MONTH TO DATE 281 328 -47 214  
SINCE MAR 1 872 1108 -236 927  
SINCE JUL 1 4211 4827 -616 4066  
 
COOLING  
YESTERDAY 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 17 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 56 1100 AM  
AVERAGE 75  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 83 1976  
MINIMUM TEMPERATURE (F) 43 28 1965  
 
SUNRISE AND SUNSET  
APRIL 20 2024.........SUNRISE 605 AM EDT SUNSET 738 PM EDT  
APRIL 21 2024.........SUNRISE 604 AM EDT SUNSET 739 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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