521  
CDUS41 KOKX 250617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT THU MAY 25 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 24 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 70 1255 PM 89 1975 71 -1 69  
MINIMUM 46 426 AM 41 1965 53 -7 51  
AVERAGE 58 62 -4 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.97 1978 0.11 -0.09 T  
MONTH TO DATE 1.91 2.47 -0.56 3.96  
SINCE MAR 1 9.76 11.04 -1.28 10.44  
SINCE JAN 1 16.35 17.99 -1.64 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 5  
MONTH TO DATE 159 170 -11 130  
SINCE MAR 1 1228 1410 -182 1264  
SINCE JUL 1 4367 5129 -762 4674  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 12 11 1 29  
SINCE MAR 1 24 13 11 29  
SINCE JAN 1 24 13 11 29    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 800 PM  
LOWEST 24 1000 AM  
AVERAGE 56  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1991  
MINIMUM TEMPERATURE (F) 54 41 1972  
1992  
 
SUNRISE AND SUNSET  
MAY 25 2023...........SUNRISE 527 AM EDT SUNSET 812 PM EDT  
MAY 26 2023...........SUNRISE 527 AM EDT SUNSET 813 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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