706  
CDUS41 KOKX 220617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT MON MAY 22 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 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 71 435 PM 90 1996 70 1 90  
2022  
MINIMUM 56 639 AM 39 2002 52 4 59  
2020  
AVERAGE 64 61 3 75  
 
PRECIPITATION (IN)  
YESTERDAY T 0.90 1985 0.10 -0.10 0.00  
MONTH TO DATE 1.89 2.13 -0.24 3.77  
SINCE MAR 1 9.74 10.70 -0.96 10.25  
SINCE JAN 1 16.33 17.65 -1.32 19.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.6 7.1 -5.5 1.6  
SINCE JUL 1 5.0 31.8 -26.8 37.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 5 -4 0  
MONTH TO DATE 143 156 -13 125  
SINCE MAR 1 1212 1396 -184 1259  
SINCE JUL 1 4351 5115 -764 4669  
 
COOLING  
YESTERDAY 0 1 -1 10  
MONTH TO DATE 12 8 4 17  
SINCE MAR 1 24 10 14 17  
SINCE JAN 1 24 10 14 17    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 46 300 PM  
AVERAGE 73  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1992  
MINIMUM TEMPERATURE (F) 53 37 2002  
 
SUNRISE AND SUNSET  
MAY 22 2023...........SUNRISE 529 AM EDT SUNSET 809 PM EDT  
MAY 23 2023...........SUNRISE 529 AM EDT SUNSET 810 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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