345  
CDUS41 KOKX 260616  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
216 AM EDT FRI MAY 26 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 25 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 67 419 PM 92 1991 71 -4 65  
MINIMUM 49 515 AM 41 1972 54 -5 49  
1992  
AVERAGE 58 62 -4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.16 1997 0.11 -0.11 0.00  
MONTH TO DATE 1.91 2.58 -0.67 3.96  
SINCE MAR 1 9.76 11.15 -1.39 10.44  
SINCE JAN 1 16.35 18.10 -1.75 19.42  
 
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 7 4 3 8  
MONTH TO DATE 166 174 -8 138  
SINCE MAR 1 1235 1414 -179 1272  
SINCE JUL 1 4374 5133 -759 4682  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 12 13 -1 29  
SINCE MAR 1 24 15 9 29  
SINCE JAN 1 24 15 9 29    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1200 AM  
LOWEST 34 400 PM  
AVERAGE 55  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 2010  
MINIMUM TEMPERATURE (F) 54 37 1992  
 
SUNRISE AND SUNSET  
MAY 26 2023...........SUNRISE 527 AM EDT SUNSET 813 PM EDT  
MAY 27 2023...........SUNRISE 526 AM EDT SUNSET 814 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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