448  
CDUS41 KOKX 270630  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
130 AM EST WED DEC 27 2023  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 26 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 45 309 PM 64 1982 42 3 30  
MINIMUM 34 315 AM 5 1968 28 6 18  
1983  
AVERAGE 40 35 5 24  
 
PRECIPITATION (IN)  
YESTERDAY T 1.36 1975 0.15 -0.15 0.00  
MONTH TO DATE 5.47 4.02 1.45 3.93  
SINCE DEC 1 5.47 4.02 1.45 3.93  
SINCE JAN 1 47.10 45.30 1.80 39.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.3 2010 0.2 -0.2 0.0  
MONTH TO DATE T 3.4 -3.4 0.4  
SINCE DEC 1 T 3.4 -3.4 0.4  
SINCE JUL 1 T 3.9 -3.9 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 30 -5 41  
MONTH TO DATE 599 710 -111 736  
SINCE DEC 1 599 710 -111 736  
SINCE JUL 1 1488 1649 -161 1528  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 955 885 70 1136    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 96 600 AM  
AVERAGE 98  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 62 1973  
2015  
2016  
MINIMUM TEMPERATURE (F) 27 8 1989  
 
SUNRISE AND SUNSET  
DECEMBER 27 2023......SUNRISE 715 AM EST SUNSET 431 PM EST  
DECEMBER 28 2023......SUNRISE 716 AM EST SUNSET 432 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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