554  
CDUS41 KOKX 132039  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
439 PM EDT SAT MAY 13 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 13 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81R 254 PM 80 2004 68 13 76  
MINIMUM 62 511 AM 37 2005 50 12 56  
AVERAGE 72 59 13 66  
 
PRECIPITATION (IN)  
TODAY T 1.32 2017 0.09 -0.09 0.01  
MONTH TO DATE 0.16 1.36 -1.20 2.07  
SINCE MAR 1 8.01 9.93 -1.92 8.55  
SINCE JAN 1 14.60 16.88 -2.28 17.53  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 7 -7 0  
MONTH TO DATE 97 110 -13 109  
SINCE MAR 1 1166 1350 -184 1243  
SINCE JUL 1 4305 5069 -764 4653  
 
COOLING  
TODAY 7 0 7 1  
MONTH TO DATE 13 0 13 1  
SINCE MAR 1 25 2 23 1  
SINCE JAN 1 25 2 23 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 600 AM  
LOWEST 35 300 PM  
AVERAGE 61  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 1991  
MINIMUM TEMPERATURE (F) 50 34 1987  
1996  
1998  
 
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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