134  
CXUS54 KEWX 011731  
CLMAUS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
1116 AM CDT SUN OCT 01 2023  
   
...............................
 
 
...THE AUSTIN BERGSTROM CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1943 TO 2023  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
HIGHEST 107 09/08 98 09/22  
LOWEST 66 09/18 50 09/27  
AVG. MAXIMUM 98.7 90.9 7.8 93.5  
AVG. MINIMUM 72.4 67.2 5.2 65.5  
MEAN 85.6 79.1 6.5 79.5  
DAYS MAX >= 90 29 28  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 1.26 3.03 -1.77 0.14  
DAILY AVG. 0.04 0.10 -0.06 0.00  
DAYS >= .01 5 2  
DAYS >= .10 4 1  
DAYS >= .50 1 0  
DAYS >= 1.00 0 0  
GREATEST  
24 HR. TOTAL 0.73 09/13 TO 09/14  
 
SNOWFALL (INCHES)  
TOTALS T 0.0 0.0 0.0  
SINCE 7/1 T 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING TOTAL 0 1 -1 0  
SINCE 7/1 0 0 0 MM  
COOLING TOTAL 625 423 202 444  
SINCE 1/1 3199 2739 460 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 6.8  
HIGHEST WIND SPEED/DIRECTION 26/160 DATE 09/24  
HIGHEST GUST SPEED/DIRECTION 41/310 DATE 09/16  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.35  
NUMBER OF DAYS FAIR 20  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 62  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 3 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 3  
LIGHT RAIN 5 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 1  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 4 FOG W/VIS <= 1/4 MILE 0  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
MONTHLY CLIMATE SUMMARY:  
SEPTEMBER 2023 WAS THE WARMEST AND THE 17TH DRIEST SEPTEMBER  
ON RECORD.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.07 ON 16TH  
LOWEST SLP 29.70 ON 4TH  
 
COMMENTS: 24TH <1/4" DIAMETER HAIL BEGAN 9:51 PM CST ENDED 9:59 PM CST.  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: AUSTIN BERGSTROM  
MONTH: SEPTEMBER  
YEAR: 2023  
LATITUDE: 30 13 N  
LONGITUDE: 97 40 W  
 
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND  
================================================================================  
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18  
12Z AVG MX 2MIN  
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR  
================================================================================  
 
1 101 69 85 3 0 20 0.00 0.0 0 5.0 15 80 M M 2 23 80  
2 102 69 86 4 0 21 0.00 0.0 0 3.5 14 150 M M 2 24 80  
3 102 74 88 6 0 23 0.00 0.0 0 7.1 18 170 M M 3 26 180  
4 103 74 89 7 0 24 0.00 0.0 0 10.7 21 150 M M 3 28 150  
5 105 80 93 11 0 28 0.00 0.0 0 11.7 23 180 M M 3 34 190  
6 103 75 89 8 0 24 0.00 0.0 0 5.9 14 180 M M 3 21 160  
7 106 78 92 11 0 27 0.00 0.0 0 6.9 16 180 M M 1 22 180  
8 107 78 93 12 0 28 0.00 0.0 0 7.5 15 150 M M 0 20 150  
9 104 77 91 10 0 26 0.00 0.0 0 7.3 21 200 M M 4 28 190  
10 100 73 87 7 0 22 0.00 0.0 0 7.2 16 60 M M 3 27 50  
11 99 69 84 4 0 19 0.00 0.0 0 6.5 15 160 M M 5 21 170  
12 95 76 86 6 0 21 0.00 0.0 0 8.0 15 330 M M 7 22 330  
13 91 72 82 2 0 17 0.16 0.0 0 8.4 18 20 M M 7 23 20  
14 97 72 85 5 0 20 0.69 0.0 0 3.6 18 130 M M 8 138 24 230  
15 92 74 83 4 0 18 0.01 0.0 0 6.2 16 30 M M 7 1 24 40  
16 86 70 78 -1 0 13 0.22 0.0 0 5.9 24 310 M M 6 13 41 310  
17 94 68 81 2 0 16 0.00 0.0 0 4.6 16 30 M M 4 21 30  
18 97 66 82 4 0 17 0.00 0.0 0 3.6 13 160 M M 2 23 40  
19 97 69 83 5 0 18 0.00 0.0 0 8.6 17 160 M M 2 26 150  
20 99 70 85 7 0 20 0.00 0.0 0 9.1 18 170 M M 1 27 150  
21 98 73 86 8 0 21 0.00 0.0 0 5.9 17 170 M M 4 24 180  
22 100 72 86 8 0 21 0.00 0.0 0 8.8 17 150 M M 4 28 190  
23 101 78 90 13 0 25 0.00 0.0 0 11.1 18 170 M M 3 26 180  
24 103 76 90 13 0 25 0.18 T 0 12.2 26 160 M M 3 135 36 150  
25 99 75 87 10 0 22 0.00 0.0 0 5.8 23 170 M M 6 32 180  
26 97 71 84 8 0 19 0.00 0.0 0 5.2 15 10 M M 2 21 50  
27 94 70 82 6 0 17 0.00 0.0 0 1.6 12 140 M M 4 23 120  
28 96 67 82 6 0 17 0.00 0.0 0 4.9 14 140 M M 2 19 100  
29 97 68 83 7 0 18 0.00 0.0 0 5.7 15 150 M M 2 25 80  
30 97 69 83 8 0 18 0.00 0.0 0 4.7 17 80 M M 3 27 110  
================================================================================  
SM 2962 2172 0 625 1.26 T 203.2 M 106  
================================================================================  
AV 98.7 72.4 6.8 FASTST M M 4 MAX(MPH)  
MISC ----> 26 160 41 310  
================================================================================  
NOTES:  
# LAST OF SEVERAL OCCURRENCES  
 
COLUMN 17 PEAK WIND IN M.P.H.  
 
SYMBOLS USED IN COLUMN 16  
1 = FOG OR MIST  
2 = FOG REDUCING VISIBILITY TO 1/4 MILE OR LESS  
3 = THUNDER  
4 = ICE PELLETS  
5 = HAIL  
6 = FREEZING RAIN OR DRIZZLE  
7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS  
8 = SMOKE OR HAZE  
9 = BLOWING SNOW  
X = TORNADO  
 

 
 
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