480  
CDUS41 KOKX 180623  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
223 AM EDT MON OCT 18 2021  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 17 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 123 PM 80 1963 64 2 60  
MINIMUM 51 1159 PM 34 1965 47 4 40  
AVERAGE 59 55 4 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.06 1991 0.13 -0.11 0.33  
MONTH TO DATE 0.27 2.17 -1.90 2.56  
SINCE SEP 1 5.49 5.77 -0.28 6.43  
SINCE JAN 1 37.78 36.07 1.71 31.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 MM  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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  
YESTERDAY 6 10 -4 15  
MONTH TO DATE 23 127 -104 115  
SINCE SEP 1 31 180 -149 168  
SINCE JUL 1 34 183 -149 168  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 16 10 6 6  
SINCE SEP 1 168 118 50 126  
SINCE JAN 1 1046 882 164 1056    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 46 300 PM  
AVERAGE 72  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 76 2016  
MINIMUM TEMPERATURE (F) 46 31 1965  
1978  
1982  
 
SUNRISE AND SUNSET  
OCTOBER 18 2021.......SUNRISE 707 AM EDT SUNSET 607 PM EDT  
OCTOBER 19 2021.......SUNRISE 708 AM EDT SUNSET 606 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