760  
CDUS41 KOKX 260617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
217 AM EDT SAT MAY 26 2018  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 25 2018
 
 
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)  
YESTERDAY  
MAXIMUM 81 1241 PM 92 1991 70 11 59  
MINIMUM 57 420 AM 41 1992 53 4 55  
1972  
AVERAGE 69 61 8 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.16 1997 0.13 -0.13 0.40  
MONTH TO DATE 2.81 2.96 -0.15 3.73  
SINCE MAR 1 14.63 11.74 2.89 12.85  
SINCE JAN 1 24.58 18.64 5.94 18.51  
 
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 65.9 24.8 41.1 39.3  
SINCE JUL 1 65.9 24.8 41.1 39.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 8  
MONTH TO DATE 105 195 -90 195  
SINCE MAR 1 1500 1471 29 1403  
SINCE JUL 1 5000 5366 -366 4705  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 34 9 25 28  
SINCE MAR 1 34 11 23 39  
SINCE JAN 1 34 11 23 39    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 42 1200 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 2010  
MINIMUM TEMPERATURE (F) 53 37 1992  
 
 
SUNRISE AND SUNSET  
MAY 26 2018...........SUNRISE 526 AM EDT SUNSET 813 PM EDT  
MAY 27 2018...........SUNRISE 526 AM EDT SUNSET 814 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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