923  
CDUS41 KOKX 280624  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
224 AM EDT FRI APR 28 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 27 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 55 400 PM 81 1990 63 -8 59  
MINIMUM 42 1122 PM 32 2002 45 -3 40  
AVERAGE 49 54 -5 50  
 
PRECIPITATION (IN)  
YESTERDAY T 1.53 1979 0.14 -0.14 0.00  
MONTH TO DATE 1.63 3.68 -2.05 2.49  
SINCE MAR 1 5.46 8.19 -2.73 6.48  
SINCE JAN 1 12.05 15.14 -3.09 15.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1967 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.0  
SINCE MAR 1 1.6 7.1 -5.5 1.6  
SINCE JUL 1 5.0 31.8 -26.8 37.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 11 5 15  
MONTH TO DATE 316 428 -112 397  
SINCE MAR 1 1029 1208 -179 1091  
SINCE JUL 1 4168 4927 -759 4501  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 12 0 12 0  
SINCE MAR 1 12 0 12 0  
SINCE JAN 1 12 0 12 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 PM  
LOWEST 56 200 PM  
AVERAGE 77  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 86 1990  
MINIMUM TEMPERATURE (F) 45 29 1972  
 
SUNRISE AND SUNSET  
APRIL 28 2023.........SUNRISE 555 AM EDT SUNSET 745 PM EDT  
APRIL 29 2023.........SUNRISE 554 AM EDT SUNSET 746 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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