724  
CXUS51 KOKX 011459  
CLMISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
1058 AM EDT SUN MAY 01 2022  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2022
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2022  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 94 04/17/2002  
LOW 16 04/01/1969  
HIGHEST 73 04/14 MM MM 74 04/28  
LOWEST 33 04/18 MM MM 28 04/03  
AVG. MAXIMUM 58.6 58.3 0.3 60.5  
AVG. MINIMUM 41.5 41.2 0.3 41.3  
MEAN 50.0 49.7 0.3 50.9  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 3.3 -3.3 3  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 9.09 1983  
MINIMUM 0.98 1978  
TOTALS 2.49 4.06 -1.57 3.83  
DAILY AVG. 0.08 0.14 -0.06 0.13  
DAYS >= .01 15 11.3 3.7 10  
DAYS >= .10 7 6.8 0.2 7  
DAYS >= .50 1 2.5 -1.5 2  
DAYS >= 1.00 0 1.0 -1.0 1  
GREATEST  
24 HR. TOTAL 1.15 04/18 TO 04/19 1.86 04/15 TO 04/16  
STORM TOTAL 0.73 1.80  
(MM/DD(HH)) MM  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 16.0 1982  
24 HR TOTAL 16.0 MM  
TOTALS 0.0 0.6 -0.6 T  
LIQUID EQUIV 0.00 0.00 0.00 T  
SINCE 7/1 37.0 31.8 5.2 MM  
LIQUID 7/1 3.70 3.10 0.60 MM  
DAYS >= TRACE 0 0.0 0.0 1  
DAYS >= 1.0 0 0.0 0.0 0  
GREATEST  
SNOW DEPTH 0 0 MM  
24 HR TOTAL MM MM  
STORM TOTAL 0.0 0.0  
(MM/DD(HH)) MM  
 
DEGREE DAYS  
HEATING TOTAL 440 460 -20 416  
SINCE 7/1 4544 4959 -415 MM  
COOLING TOTAL 0 2 -2 0  
SINCE 1/1 0 2 -2 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 11.5  
HIGHEST WIND SPEED/DIRECTION 36/110 DATE 04/07  
HIGHEST GUST SPEED/DIRECTION 50/090 DATE 04/19  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.57  
NUMBER OF DAYS FAIR 6  
NUMBER OF DAYS PC 18  
NUMBER OF DAYS CLOUDY 6  
 
AVERAGE RH (PERCENT) 63  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 7  
LIGHT RAIN 16 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 9 FOG W/VIS <= 1/4 MILE 2  
HAZE 2  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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