832  
CDUS41 KOKX 010617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
116 AM EST SUN NOV 1 2009  
 
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 31 2009  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1986 TO 2009  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 100 PM 73 2004 59 9 60  
MINIMUM 55 106 AM 29 2008 40 15 29  
1988  
AVERAGE 62 49 13 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 1.59 1989 0.13 0.00 0.00  
MONTH TO DATE 5.23 3.63 1.60 3.00  
SINCE SEP 1 7.88 7.02 0.86 10.46  
SINCE JAN 1 40.95 38.53 2.42 42.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM MM MM 0.0  
MONTH TO DATE 0.0 MM MM 0.0  
SINCE OCT 1 0.0 MM MM 0.0  
SINCE JUL 1 0.0 MM MM 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 16 -13 20  
MONTH TO DATE 352 339 13 347  
SINCE SEP 1 421 388 33 379  
SINCE JUL 1 429 389 40 380  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 7 -4 2  
SINCE SEP 1 56 79 -23 124  
SINCE JAN 1 657 770 -113 890    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 13.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 AM  
LOWEST 68 1200 PM  
AVERAGE 77  
   
......................................................  
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 70 2006  
MINIMUM TEMPERATURE (F) 40 30 2002  
 
 
SUNRISE AND SUNSET  
NOVEMBER 1 2009......SUNRISE 623 AM EST SUNSET 448 PM EST  
NOVEMBER 2 2009......SUNRISE 624 AM EST SUNSET 447 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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