493  
CXUS53 KLMK 021639  
CLMSDF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
1209 PM EDT TUE JUN 2 2020  
   
...............................
 
 
   
..THE LOUISVILLE KY CLIMATE SUMMARY FOR THE MONTH OF MAY 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2020  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 98 05/28/1911  
LOW 31 05/10/1966  
HIGHEST 90 05/25 MM MM 91 05/24  
05/23 05/23  
LOWEST 34 05/09 MM MM 47 05/14  
AVG. MAXIMUM 74.9 77.1 -2.2 79.9  
AVG. MINIMUM 55.9 57.0 -1.1 62.0  
MEAN 65.4 67.1 -1.7 70.9  
DAYS MAX >= 90 2 0.7 1.3 6  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 11.57 1990  
MINIMUM 0.63 1932  
TOTALS 5.93 5.27 0.66 4.61  
DAILY AVG. 0.19 0.17 0.02 0.15  
DAYS >= .01 15 12.6 2.4 14  
DAYS >= .10 9 8.0 1.0 10  
DAYS >= .50 5 3.6 1.4 2  
DAYS >= 1.00 2 1.5 0.5 2  
GREATEST  
24 HR. TOTAL 1.75 05/15 TO 05/16  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 1.0 1898  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 3.4 12.5 -9.1 11.2  
SNOWDEPTH AVG. 0 MM MM 0  
DAYS >= 1.0 0 0.0 0.0 0  
GREATEST  
SNOW DEPTH 0 MM 0 MM  
24 HR TOTAL 0.0 05/31 TO 05/31  
 
DEGREE_DAYS  
HEATING TOTAL 118 67 51 33  
SINCE 7/1 3656 4092 -436 3891  
COOLING TOTAL 138 131 7 228  
SINCE 1/1 171 174 -3 274  
 
FREEZE DATES  
RECORD  
EARLIEST 10/03/1974  
LATEST 05/10/1966  
EARLIEST 10/25  
LATEST 04/15    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.4  
RESULTANT WIND SPEED/DIRECTION 1/225  
HIGHEST WIND SPEED/DIRECTION 37/260 DATE 05/10  
HIGHEST GUST SPEED/DIRECTION 55/260 DATE 05/10  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.70  
NUMBER OF DAYS FAIR 3  
NUMBER OF DAYS PC 13  
NUMBER OF DAYS CLOUDY 15  
 
AVERAGE RH (PERCENT) 68  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 7 MIXED PRECIP 0  
HEAVY RAIN 7 RAIN 9  
LIGHT RAIN 19 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 15 FOG W/VIS <= 1/4 MILE 0  
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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