360  
CDUS41 KOKX 212051  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
451 PM EDT SAT OCT 21 2017  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 21 2017
 
 
VALID TODAY AS OF 0400 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 76R 1108 AM 76 2016 61 15 76  
1963  
MINIMUM 47 559 AM 29 1974 44 3 64  
AVERAGE 62 52 10 70  
 
PRECIPITATION (IN)  
TODAY 0.00 1.51 1995 0.12 -0.12 T  
MONTH TO DATE 0.93 2.58 -1.65 1.37  
SINCE SEP 1 4.92 6.16 -1.24 4.42  
SINCE JAN 1 33.27 37.30 -4.03 26.86  
 
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 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 3 13 -10 0  
MONTH TO DATE 77 201 -124 114  
SINCE SEP 1 102 273 -171 146  
SINCE JUL 1 102 278 -176 146  
 
COOLING  
TODAY 0 0 0 5  
MONTH TO DATE 47 9 38 18  
SINCE SEP 1 197 100 97 176  
SINCE JAN 1 965 786 179 1123    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 33 1100 AM  
AVERAGE 67  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 77 1979  
MINIMUM TEMPERATURE (F) 43 27 1974  
 
 
SUNRISE AND SUNSET  
OCTOBER 21 2017.......SUNRISE 710 AM EDT SUNSET 603 PM EDT  
OCTOBER 22 2017.......SUNRISE 712 AM EDT SUNSET 601 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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