604  
CDUS41 KOKX 230620  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
120 AM EST SAT JAN 23 2021  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 22 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 1047 AM 55 1967 38 8 39  
1973  
2017  
MINIMUM 29 713 AM -7 1984 23 6 16  
AVERAGE 38 30 8 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.62 1987 0.12 -0.12 0.00  
MONTH TO DATE 1.68 2.66 -0.98 1.19  
SINCE DEC 1 6.18 6.72 -0.54 9.20  
SINCE JAN 1 1.68 2.66 -0.98 1.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.9 2005 0.2 -0.2 0.0  
MONTH TO DATE 0.2 4.8 -4.6 2.5  
SINCE DEC 1 7.7 10.2 -2.5 6.7  
SINCE JUL 1 7.7 10.7 -3.0 6.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 35 -8 37  
MONTH TO DATE 646 758 -112 605  
SINCE DEC 1 1499 1669 -170 1469  
SINCE JUL 1 2270 2685 -415 2412  
 
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 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 300 AM  
LOWEST 36 100 PM  
AVERAGE 59  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 58 2018  
MINIMUM TEMPERATURE (F) 23 -1 1970  
 
SUNRISE AND SUNSET  
JANUARY 23 2021.......SUNRISE 710 AM EST SUNSET 459 PM EST  
JANUARY 24 2021.......SUNRISE 709 AM EST SUNSET 500 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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