388  
CDUS41 KOKX 300737  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
330 AM EDT SUN APR 30 2017  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 29 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1984 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85R 450 PM 81 2003 62 23 56  
MINIMUM 57 536 AM 33 1992 45 12 45  
AVERAGE 71 54 17 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.67 1989 0.13 -0.08 0.02  
MONTH TO DATE 3.67 4.21 -0.54 2.39  
SINCE MAR 1 9.12 8.65 0.47 5.11  
SINCE JAN 1 14.78 15.55 -0.77 13.58  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2006 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.2  
SINCE OCT 1 39.3 24.8 14.5 41.4  
SINCE JUL 1 39.3 24.8 14.5 41.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 12 -12 14  
MONTH TO DATE 344 467 -123 445  
SINCE MAR 1 1200 1264 -64 1044  
SINCE JUL 1 4502 5159 -657 4126  
 
COOLING  
YESTERDAY 6 0 6 0  
MONTH TO DATE 11 0 11 0  
SINCE MAR 1 11 0 11 0  
SINCE JAN 1 11 0 11 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 44 500 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 79 2007  
MINIMUM TEMPERATURE (F) 45 33 1992  
 
 
SUNRISE AND SUNSET  
APRIL 30 2017.........SUNRISE 552 AM EDT SUNSET 748 PM EDT  
MAY 1 2017...........SUNRISE 551 AM EDT SUNSET 749 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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