993  
CDUS41 KOKX 220618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
218 AM EDT SAT APR 22 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 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 66 1257 PM 76 1976 61 5 56  
1996  
2007  
MINIMUM 45 332 AM 30 1965 43 2 37  
AVERAGE 56 52 4 47  
 
PRECIPITATION (IN)  
YESTERDAY T 3.44 2000 0.13 -0.13 T  
MONTH TO DATE 0.61 2.86 -2.25 2.45  
SINCE MAR 1 4.44 7.37 -2.93 6.44  
SINCE JAN 1 11.03 14.32 -3.29 15.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.6 -0.6 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 9 13 -4 18  
MONTH TO DATE 237 355 -118 321  
SINCE MAR 1 950 1135 -185 1015  
SINCE JUL 1 4089 4854 -765 4425  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 12 0 12 0  
SINCE MAR 1 12 0 12 0  
SINCE JAN 1 12 0 12 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 500 AM  
LOWEST 36 100 PM  
AVERAGE 63  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 75 1985  
2007  
MINIMUM TEMPERATURE (F) 43 29 1975  
 
SUNRISE AND SUNSET  
APRIL 22 2023.........SUNRISE 604 AM EDT SUNSET 739 PM EDT  
APRIL 23 2023.........SUNRISE 602 AM EDT SUNSET 740 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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