673  
CDUS41 KOKX 210617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
117 AM EST SUN JAN 21 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 20 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 25 1216 AM 56 2013 39 -14 50  
2018  
MINIMUM 17 801 AM 2 1994 24 -7 38  
AVERAGE 21 31 -10 44  
 
PRECIPITATION (IN)  
YESTERDAY T 1.93 1978 0.12 -0.12 T  
MONTH TO DATE 5.64 2.44 3.20 2.25  
SINCE DEC 1 14.20 7.15 7.05 6.67  
SINCE JAN 1 5.64 2.44 3.20 2.25  
 
SNOWFALL (IN)  
YESTERDAY T 15.6 1978 0.4 -0.4 0.0  
MONTH TO DATE 3.1 6.1 -3.0 T  
SINCE DEC 1 3.1 10.6 -7.5 0.4  
SINCE JUL 1 3.1 11.1 -8.0 0.4  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 34 10 21  
MONTH TO DATE 620 655 -35 456  
SINCE DEC 1 1318 1520 -202 1323  
SINCE JUL 1 2207 2459 -252 2115  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 1200 AM  
LOWEST 47 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 58 1974  
MINIMUM TEMPERATURE (F) 24 -3 1984  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 712 AM EST SUNSET 456 PM EST  
JANUARY 22 2024.......SUNRISE 711 AM EST SUNSET 457 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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