742  
CDUS41 KOKX 200615  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
115 AM EST THU FEB 20 2020  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR FEBRUARY 19 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 48 255 PM 65 2017 41 7 35  
MINIMUM 31 1133 PM 5 1967 26 5 21  
AVERAGE 40 33 7 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.15 1972 0.12 -0.12 0.00  
MONTH TO DATE 2.32 2.10 0.22 1.63  
SINCE DEC 1 12.52 9.80 2.72 11.98  
SINCE JAN 1 4.51 5.74 -1.23 5.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2009 0.3 -0.3 0.0  
MONTH TO DATE 0.0 4.8 -4.8 2.0  
SINCE OCT 1 6.8 17.4 -10.6 7.2  
SINCE JUL 1 6.8 17.4 -10.6 7.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 32 -7 37  
MONTH TO DATE 497 627 -130 575  
SINCE DEC 1 2213 2603 -390 2442  
SINCE JUL 1 3156 3619 -463 3409  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 27 400 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 64 2018  
MINIMUM TEMPERATURE (F) 26 2 2015  
 
 
SUNRISE AND SUNSET  
FEBRUARY 20 2020......SUNRISE 640 AM EST SUNSET 533 PM EST  
FEBRUARY 21 2020......SUNRISE 639 AM EST SUNSET 534 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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