496  
CDUS41 KOKX 220619  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
219 AM EDT WED APR 22 2026  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 21 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 1229 PM 76 1976 61 -12 56  
1996  
2007  
MINIMUM 33 519 AM 30 1965 43 -10 45  
AVERAGE 41 52 -11 51  
 
PRECIPITATION (IN)  
YESTERDAY T 3.44 2000 0.13 -0.13 T  
MONTH TO DATE 0.38 2.86 -2.48 1.40  
SINCE MAR 1 4.57 7.37 -2.80 6.16  
SINCE JAN 1 10.81 14.32 -3.51 10.48  
 
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 0.2 7.1 -6.9 0.0  
SINCE JUL 1 61.8 31.8 30.0 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 13 11 14  
MONTH TO DATE 305 355 -50 318  
SINCE MAR 1 1022 1135 -113 932  
SINCE JUL 1 4878 4854 24 4414  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 0 11 0  
SINCE MAR 1 11 0 11 0  
SINCE JAN 1 11 0 11 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 1100 PM  
LOWEST 35 1000 AM  
AVERAGE 44  
   
......................................................  
 
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 2026.........SUNRISE 603 AM EDT SUNSET 739 PM EDT  
APRIL 23 2026.........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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