434  
CDUS41 KOKX 232253  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
653 PM EDT SAT SEP 23 2017  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 23 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 259 PM 88 1980 71 14 82  
1970  
MINIMUM 68 132 AM 40 1976 55 13 58  
AVERAGE 77 63 14 70  
 
PRECIPITATION (IN)  
TODAY 0.00 1.69 1975 0.11 -0.11 0.00  
MONTH TO DATE 3.29 2.69 0.60 2.48  
SINCE SEP 1 3.29 2.69 0.60 2.48  
SINCE JAN 1 31.64 33.83 -2.19 24.92  
 
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 OCT 1 39.3 24.8 14.5 41.4  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 14 38 -24 4  
SINCE SEP 1 14 38 -24 4  
SINCE JUL 1 14 43 -29 4  
 
COOLING  
TODAY 12 2 10 5  
MONTH TO DATE 107 84 23 156  
SINCE SEP 1 107 84 23 156  
SINCE JAN 1 875 770 105 1103    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 12.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 1200 AM  
LOWEST 48 300 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 83 2009  
MINIMUM TEMPERATURE (F) 54 38 1963  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2017.....SUNRISE 641 AM EDT SUNSET 647 PM EDT  
SEPTEMBER 24 2017.....SUNRISE 642 AM EDT SUNSET 646 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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