208  
CDUS41 KOKX 110659  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
259 AM EDT THU MAY 11 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 10 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 67 1253 PM 85 1970 67 0 70  
MINIMUM 42 446 AM 35 1983 49 -7 48  
AVERAGE 55 58 -3 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.76 1989 0.10 -0.10 0.00  
MONTH TO DATE 0.16 1.07 -0.91 2.06  
SINCE MAR 1 8.01 9.64 -1.63 8.54  
SINCE JAN 1 14.60 16.59 -1.99 17.52  
 
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 10 8 2 6  
MONTH TO DATE 94 89 5 107  
SINCE MAR 1 1163 1329 -166 1241  
SINCE JUL 1 4302 5048 -746 4651  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 13 2 11 0  
SINCE JAN 1 13 2 11 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 37 1000 AM  
AVERAGE 65  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 1965  
2001  
MINIMUM TEMPERATURE (F) 49 34 1966  
 
SUNRISE AND SUNSET  
MAY 11 2023...........SUNRISE 539 AM EDT SUNSET 759 PM EDT  
MAY 12 2023...........SUNRISE 538 AM EDT SUNSET 800 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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