576  
CDUS41 KOKX 180626  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
226 AM EDT WED SEP 18 2019  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 17 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 325 PM 87 1991 74 1 77  
MINIMUM 53 541 AM 45 1986 57 -4 62  
AVERAGE 64 65 -1 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.85 1996 0.12 -0.12 T  
MONTH TO DATE 0.33 1.98 -1.65 1.64  
SINCE SEP 1 0.33 1.98 -1.65 1.64  
SINCE JAN 1 32.71 33.12 -0.41 40.05  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE OCT 1 12.8 24.8 -12.0 65.9  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 5 20 -15 8  
SINCE SEP 1 5 20 -15 8  
SINCE JUL 1 7 25 -18 8  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 62 72 -10 135  
SINCE SEP 1 62 72 -10 135  
SINCE JAN 1 936 758 178 1032    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 29 1200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 85 1965  
MINIMUM TEMPERATURE (F) 57 43 1990  
1986  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2019.....SUNRISE 636 AM EDT SUNSET 657 PM EDT  
SEPTEMBER 19 2019.....SUNRISE 637 AM EDT SUNSET 655 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NY Page
The Nexlab NJ Page
The Nexlab CT Page Main Text Page