279  
CDUS41 KOKX 130631  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
231 AM EDT SAT MAY 13 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 12 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 85 1113 AM 87 1991 67 18 71  
MINIMUM 55 203 AM 37 1969 50 5 56  
1983  
1990  
AVERAGE 70 58 12 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.74 2006 0.10 -0.10 T  
MONTH TO DATE 0.16 1.27 -1.11 2.06  
SINCE MAR 1 8.01 9.84 -1.83 8.54  
SINCE JAN 1 14.60 16.79 -2.19 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 0 7 -7 1  
MONTH TO DATE 97 103 -6 109  
SINCE MAR 1 1166 1343 -177 1243  
SINCE JUL 1 4305 5062 -757 4653  
 
COOLING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 18 2 16 0  
SINCE JAN 1 18 2 16 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1000 PM  
LOWEST 25 1100 AM  
AVERAGE 55  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 80 2004  
MINIMUM TEMPERATURE (F) 50 37 2005  
 
SUNRISE AND SUNSET  
MAY 13 2023...........SUNRISE 537 AM EDT SUNSET 801 PM EDT  
MAY 14 2023...........SUNRISE 536 AM EDT SUNSET 802 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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