093  
CDUS41 KOKX 212037  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
437 PM EDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 259 PM 76 1963 62 -1 64  
2016  
2017  
MINIMUM 58 1141 AM 29 1974 45 13 39  
AVERAGE 60 54 6 52  
 
PRECIPITATION (IN)  
TODAY 0.15 1.51 1995 0.13 0.02 0.00  
MONTH TO DATE 1.76 2.70 -0.94 4.01  
SINCE SEP 1 8.54 6.30 2.24 6.90  
SINCE JAN 1 39.07 36.60 2.47 31.35  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 5 11 -6 13  
MONTH TO DATE 121 170 -49 186  
SINCE SEP 1 165 223 -58 221  
SINCE JUL 1 165 226 -61 221  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 14 10 4 7  
SINCE SEP 1 172 118 54 147  
SINCE JAN 1 950 882 68 1120    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 72 300 PM  
AVERAGE 86  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 77 1979  
MINIMUM TEMPERATURE (F) 45 27 1974  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 710 AM EDT SUNSET 603 PM EDT  
OCTOBER 22 2023.......SUNRISE 711 AM EDT SUNSET 602 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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