363  
CDUS41 KOKX 300617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT TUE MAY 30 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 29 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 77 1241 PM 95 1969 72 5 75  
MINIMUM 53 1159 PM 43 1992 55 -2 58  
AVERAGE 65 63 2 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.95 1990 0.11 -0.11 0.00  
MONTH TO DATE 1.91 3.03 -1.12 4.24  
SINCE MAR 1 9.76 11.60 -1.84 10.72  
SINCE JAN 1 16.35 18.55 -2.20 19.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 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 0 3 -3 0  
MONTH TO DATE 177 189 -12 145  
SINCE MAR 1 1246 1429 -183 1279  
SINCE JUL 1 4385 5148 -763 4689  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 12 21 -9 34  
SINCE MAR 1 24 23 1 34  
SINCE JAN 1 24 23 1 34    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 200 AM  
LOWEST 30 1200 PM  
AVERAGE 60  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 1987  
MINIMUM TEMPERATURE (F) 55 41 1970  
2004  
 
SUNRISE AND SUNSET  
MAY 30 2023...........SUNRISE 524 AM EDT SUNSET 816 PM EDT  
MAY 31 2023...........SUNRISE 524 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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