123  
CDUS41 KOKX 220617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
117 AM EST WED NOV 22 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 21 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 46 1159 PM 65 1991 52 -6 42  
2020  
MINIMUM 28 643 AM 18 1987 36 -8 22  
AVERAGE 37 44 -7 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 1.40 1975 0.11 0.26 0.00  
MONTH TO DATE 0.52 2.28 -1.76 1.42  
SINCE SEP 1 9.61 9.85 -0.24 9.66  
SINCE JAN 1 40.14 40.15 -0.01 34.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1987 0.0 0.0 0.0  
2016  
2018  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 21 7 33  
MONTH TO DATE 417 378 39 307  
SINCE SEP 1 665 732 -67 608  
SINCE JUL 1 665 735 -70 608  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 10  
SINCE SEP 1 177 121 56 163  
SINCE JAN 1 955 885 70 1136    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 54 100 AM  
AVERAGE 74  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 64 1973  
MINIMUM TEMPERATURE (F) 36 18 2018  
 
SUNRISE AND SUNSET  
NOVEMBER 22 2023......SUNRISE 647 AM EST SUNSET 429 PM EST  
NOVEMBER 23 2023......SUNRISE 648 AM EST SUNSET 429 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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