178  
CDUS41 KOKX 020617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT SAT SEP 02 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 1 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 340 PM 93 2010 79 -5 88  
MINIMUM 57 1159 PM 49 1991 64 -7 63  
AVERAGE 66 71 -5 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 2021 0.12 -0.12 0.00  
MONTH TO DATE 0.00 0.12 -0.12 0.00  
SINCE SEP 1 0.00 0.12 -0.12 0.00  
SINCE JAN 1 30.53 30.42 0.11 24.45  
 
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 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 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 3 -3 0  
 
COOLING  
YESTERDAY 1 6 -5 11  
MONTH TO DATE 1 6 -5 11  
SINCE SEP 1 1 6 -5 11  
SINCE JAN 1 779 770 9 984    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1000 PM  
LOWEST 34 200 PM  
AVERAGE 58  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1973  
MINIMUM TEMPERATURE (F) 63 47 1992  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2023.....SUNRISE 620 AM EDT SUNSET 723 PM EDT  
SEPTEMBER 3 2023.....SUNRISE 621 AM EDT SUNSET 722 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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