973  
CDUS41 KOKX 310617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT WED MAY 31 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 30 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 68 417 PM 95 1987 72 -4 82  
MINIMUM 47 452 AM 41 1970 55 -8 59  
2004  
AVERAGE 58 64 -6 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.25 1984 0.13 -0.13 0.00  
MONTH TO DATE 1.91 3.16 -1.25 4.24  
SINCE MAR 1 9.76 11.73 -1.97 10.72  
SINCE JAN 1 16.35 18.68 -2.33 19.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1991 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 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 7 3 4 0  
MONTH TO DATE 184 192 -8 145  
SINCE MAR 1 1253 1432 -179 1279  
SINCE JUL 1 4392 5151 -759 4689  
 
COOLING  
YESTERDAY 0 2 -2 6  
MONTH TO DATE 12 23 -11 40  
SINCE MAR 1 24 25 -1 40  
SINCE JAN 1 24 25 -1 40    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 PM  
LOWEST 43 1200 PM  
AVERAGE 68  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 93 2022  
MINIMUM TEMPERATURE (F) 56 41 1990  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 524 AM EDT SUNSET 817 PM EDT  
JUNE 1 2023..........SUNRISE 523 AM EDT SUNSET 817 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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