241  
CXUS54 KSHV 051238 AAA  
CLMSHV  
 
CLIMATE REPORT...UPDATED FOR TEXT SUMMARY  
NATIONAL WEATHER SERVICE SHREVEPORT LA  
738 AM CDT WED JUN 5 2013  
   
...............................  
 
   
..THE SHREVEPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2013  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2013  
 
WEATHER OBSERVED NORMAL DEPART  
VALUE DATE(S) VALUE FROM  
NORMAL   
............................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 102 05/31/1998  
LOW 39 05/04/2013  
HIGHEST 92 05/31  
LOWEST 39R 05/04  
MEAN 72.2 73.2 -1.0  
DAYS MAX >= 90 4  
DAYS MIN <= 32 0  
 
PRECIPITATION (INCHES)  
TOTALS 2.65 4.93 -2.28  
DAYS >= .01 9  
DAYS >= .50 2  
DAYS >= 1.00 0  
GREATEST  
24 HR. TOTAL 1.07 05/15 TO 05/16  
 
DEGREE_DAYS  
HEATING TOTAL 38 7 31  
COOLING TOTAL 268 263 5   
.............................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 8.5  
HIGHEST WIND SPEED/DIRECTION 39/310 DATE 05/21  
HIGHEST GUST SPEED/DIRECTION 56/010 DATE 05/04  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 FOG W/VIS <= 1/4 MILE 2  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 
WEATHERWISE DURING MAY OF 2013 IN SHREVEPORT AND BOSSIER CITY...WE  
RECORDED BELOW NORMAL TEMPERATURES AND RAINFALL.  
 
THIS MAY FEATURED A QUITE COOL START WITH THE PASSAGE OF A QUITE  
STRONG COLD FRONT DURING THE 2ND. SHREVEPORT RECORDED THREE  
CONSECUTIVE DAILY LOW TEMPERATURE RECORDS DURING THE 3RD...4TH...AND  
5TH THAT ALSO INCLUDED AN ALL TIME MAY RECORD LOW DURING THE 4TH AS  
THE THERMOMETER BOTTOMED OUT AT 39 DEGREES.  
 
FOR MAY 3RD...THE MORNING LOW REACHED 41 DEGREES AND SET A NEW DAILY  
LOW TEMPERATURE RECORD. THE OLD RECORD FOR THE DATE WAS 47 DEGREES  
SET IN 1911. ALSO THE MONTHLY MAY RECORD WAS BROKEN THAT MORNING.  
THE OLD MONTHLY RECORDS FOR THE ENTIRE MONTH OF MAY WERE 42 DEGREES  
SET DURING MAY 1ST OF 1903 AND MAY 12TH OF 1960.  
 
FOR MAY 4TH...THE COLD SPELL CONTINUED AS THE MORNING LOW FELL TO 39  
DEGREES. THE FORMER DAILY LOW TEMPERATURE RECORD WAS 44 DEGREES SET  
DURING 1954. THE 39 DEGREES ALSO SET A NEW MAY RECORD FOR THE  
ENTIRE MONTH BREAKING THE RECORD JUST SET THE DAY BEFORE ON MAY 3RD  
AS DESCRIBED IN THE PRECEDING PARAGRAPH. THE 39 DEGREES ALSO SET A  
NEW RECORD FOR THE LOWEST TEMPERATURE RECORDED SO LATE DURING THE  
SPRINGTIME (MARCH 1 THROUGH MAY 31).  
 
FOR MAY 5TH...ANOTHER RECORD LOW WAS SET AS THE MORNING LOW BOTTOMED  
OUT AT 41 DEGREES. THE FORMER DAILY LOW RECORD WAS 44 DEGREES SET  
IN 1978. THE 41 DEGREES ALSO SET A NEW RECORD FOR THE LOWEST  
TEMPERATURE RECORDED SO LATE DURING THE SPRINGTIME (MARCH 1 THROUGH  
MAY 31).  
 
AT MONTH'S END...SHREVEPORT MADE UP FOR THIS MAY'S COOL START WITH A  
TIED DAILY WARMEST MINIMUM RECORD TEMPERATURE. THE LOW TEMPERATURE  
FOR MAY 31ST ONLY FELL TO 76 DEGREES AND TIED THE DAILY RECORD LAST  
SET IN 1985.  
 
SHREVEPORT NOTED TWO SEVERE WEATHER EVENTS FOR THIS MAY. DURING MAY  
16TH...A SUPERCELL THUNDERSTORM DEVELOPED OVER NORTHEAST TEXAS AND  
THEN MOVED AN UNUSUAL SOUTHEAST DIRECTION INTO NORTHWEST LOUISIANA.  
THIS SUPERCELL THUNDERSTORM BRUSHED THE VERY WESTERN AND SOUTHERN  
EDGES OF SHREVEPORT WITH WIND GUSTS TO 90 MILES PER HOUR AND  
GOLFBALL SIZE HAIL. DURING MAY 21ST...A LINE OF SEVERE STORMS  
PRODUCED SPORADIC WIND DAMAGE IN PARTS OF SOUTH SHREVEPORT AS WELL.  
 
 
 
 
 
VIII.  
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