837  
CDUS41 KOKX 192031  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
431 PM EDT WED SEP 19 2018  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 19 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 115 PM 85 1983 73 7 72  
MINIMUM 68 357 AM 44 1990 56 12 68  
AVERAGE 74 64 10 70  
 
PRECIPITATION (IN)  
TODAY 0.00 1.61 1972 0.11 -0.11 0.71  
MONTH TO DATE 2.30 2.21 0.09 3.29  
SINCE SEP 1 2.30 2.21 0.09 3.29  
SINCE JAN 1 40.71 33.35 7.36 31.64  
 
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 65.9 24.8 41.1 39.3  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 8 25 -17 14  
SINCE SEP 1 8 25 -17 14  
SINCE JUL 1 8 30 -22 14  
 
COOLING  
TODAY 9 2 7 5  
MONTH TO DATE 154 76 78 70  
SINCE SEP 1 154 76 78 70  
SINCE JAN 1 1051 762 289 838    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 8.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 62 200 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 87 1983  
MINIMUM TEMPERATURE (F) 56 38 1979  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2018.....SUNRISE 637 AM EDT SUNSET 655 PM EDT  
SEPTEMBER 20 2018.....SUNRISE 638 AM EDT SUNSET 653 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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