996  
CXUS52 KTBW 051315  
CLMTPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TAMPA BAY FL  
915 AM EDT FRI OCT 5 2018  
   
...............................
 
 
   
..THE TAMPA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2018
 
 
...WARMEST MONTH SINCE RECORDS BEGAN IN 1890...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1890 TO 2018  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
ALL-TIME SEPTEMBER RECORD  
HIGH 96 09/20/2018  
09/07/1991  
09/06/1991  
LOW 54 09/22/1897  
 
SEPTEMBER 2018  
HIGHEST 96R 09/20 MM MM 94 09/23  
09/20  
09/16  
LOWEST 74 09/21 MM MM 73 09/13  
09/11  
AVG. MAXIMUM 93.0 88.9 4.1 90.5  
AVG. MINIMUM 78.5 74.5 4.0 76.3  
MEAN 85.8R 81.7 4.1 83.4  
DAYS MAX >= 90 29 12.9 16.1 22  
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)  
ALL-TIME SEPTEMBER RECORD  
MAXIMUM 18.93 1912  
MINIMUM 0.79 2005  
1910  
SEPTEMBER 2018  
TOTALS 9.20 6.30 2.90 6.66  
DAILY AVG. 0.31 0.21 0.10 0.22  
DAYS >= .01 18 12.2 5.8 11  
DAYS >= .10 13 7.7 5.3 5  
DAYS >= .50 8 3.8 4.2 3  
DAYS >= 1.00 2 2.0 0.0 1  
GREATEST  
24 HR. TOTAL 1.74 09/20 TO 09/20  
 
DEGREE_DAYS  
HEATING TOTAL 0 0 0 0  
SINCE 7/1 0 0 0 0  
COOLING TOTAL 631 501 130 558  
SINCE 1/1 3551 3016 535 3640    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 5.2  
HIGHEST WIND SPEED/DIRECTION 28/160 DATE 09/20  
HIGHEST GUST SPEED/DIRECTION 37/030 DATE 09/12  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.50  
NUMBER OF DAYS FAIR 6  
NUMBER OF DAYS PC 23  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 69  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 25 MIXED PRECIP 0  
HEAVY RAIN 10 RAIN 12  
LIGHT RAIN 22 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 11 FOG W/VIS <= 1/4 MILE 0  
HAZE 6  
   
.............................................................
 
 
 
REMARKS  
THE SEPTEMBER 2018 MONTHLY AVERAGE TEMPERATURE OF 85.8 DEGREES  
RANKS AS THE WARMEST SEPTEMBER AND WARMEST MONTH SINCE RECORDS  
BEGAN IN 1890. THE PREVIOUS WARMEST SEPTEMBER HAD AN AVERAGE  
TEMPERATURE OF 83.8 DEGREES WHICH OCCURRED IN 2016 AND THE  
PREVIOUS WARMEST MONTH HAD AN AVERAGE TEMPERATURE OF 85.6 DEGREES  
WHICH OCCURRED IN JUNE 1998.  
 
THE SEPTEMBER 2018 MONTHLY RAINFALL TOTAL OF 9.20 INCHES RANKS  
AS THE 26TH WETTEST/104TH DRIEST SEPTEMBER SINCE RECORDS BEGAN  
IN 1890.  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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