623  
CDUS41 KOKX 160635  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE UPTON NY  
235 AM EDT TUE SEP 16 2008  
 
...................................  
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 15 2008
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1986 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84R 310 PM 82 2005 75 9 70  
MINIMUM 65 1159 PM 44 1986 57 8 53  
AVERAGE 75 66 9 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.65 2006 0.11 -0.11 0.18  
MONTH TO DATE 4.20 1.79 2.41 1.22  
SINCE SEP 1 4.20 1.79 2.41 1.22  
SINCE JAN 1 36.06 33.30 2.76 32.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM MM MM 0.0  
MONTH TO DATE 0.0 MM MM 0.0  
SINCE OCT 1 10.7 MM MM 9.0  
SINCE JUL 1 0.0 MM MM 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 1 4 -3 7  
SINCE SEP 1 1 4 -3 7  
SINCE JUL 1 2 5 -3 17  
 
COOLING  
YESTERDAY 10 2 8 0  
MONTH TO DATE 106 52 54 70  
SINCE SEP 1 106 52 54 70  
SINCE JAN 1 872 743 129 782    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 300 AM  
LOWEST 39 500 PM  
AVERAGE 63  
 
..........................................................  
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 88 1998  
MINIMUM TEMPERATURE (F) 57 46 2001  
1988  
1984  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2008.....SUNRISE 634 AM EDT SUNSET 659 PM EDT  
SEPTEMBER 17 2008.....SUNRISE 635 AM EDT SUNSET 657 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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