574  
CXUS54 KEWX 011651  
CLMDRT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
1116 AM CDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1906 TO 2023  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
HIGHEST 107 09/24 94 09/08  
09/25  
LOWEST 72 09/28 57 09/28  
AVG. MAXIMUM 101.1 93.8 7.3 90.7  
AVG. MINIMUM 77.4 73.3 4.1 70.7  
MEAN 89.2 83.5 5.7 80.7  
DAYS MAX >= 90 30 21  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 0.08 2.63 -2.55 2.45  
DAILY AVG. 0.00 0.09 -0.09 0.08  
DAYS >= .01 3 4  
DAYS >= .10 0 3  
DAYS >= .50 0 1  
DAYS >= 1.00 0 1  
GREATEST  
24 HR. TOTAL 0.06 09/14 TO 09/14  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 0.0 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING TOTAL 0 1 -1 0  
SINCE 7/1 0 0 0 MM  
COOLING TOTAL 734 557 177 478  
SINCE 1/1 4291 3817 474 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 8.6  
HIGHEST WIND SPEED/DIRECTION 28/340 DATE 09/14  
HIGHEST GUST SPEED/DIRECTION 43/340 DATE 09/14  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.07  
NUMBER OF DAYS FAIR 30  
NUMBER OF DAYS PC 0  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 49  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 0  
LIGHT RAIN 4 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 1 FOG W/VIS <= 1/4 MILE 0  
HAZE 3  
 
- 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 6TH DRIEST SEPTEMBER  
ON RECORD.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.09 ON 17TH  
LOWEST SLP 29.67 ON 4TH  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: DEL RIO  
MONTH: SEPTEMBER  
YEAR: 2023  
LATITUDE: 29 22 N  
LONGITUDE: 100 55 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  
================================================================================  
 
1 102 78 90 3 0 25 0.00 0.0 0 8.1 16 160 M M 0 21 160  
2 102 76 89 2 0 24 0.00 0.0 0 6.4 14 140 M M 0 8 19 150  
3 102 75 89 2 0 24 0.00 0.0 0 8.2 15 140 M M 0 25 80  
4 104 78 91 4 0 26 0.00 0.0 0 9.9 18 160 M M 0 25 130  
5 104 82 93 7 0 28 0.00 0.0 0 12.2 18 160 M M 2 28 150  
6 103 80 92 6 0 27 0.00 0.0 0 9.4 16 150 M M 0 28 120  
7 104 80 92 6 0 27 0.00 0.0 0 7.6 16 160 M M 0 25 170  
8 106 78 92 6 0 27 0.00 0.0 0 6.9 17 150 M M 0 23 160  
9 105 79 92 7 0 27 0.00 0.0 0 8.2 17 150 M M 0 23 120  
10 105 79 92 7 0 27 0.00 0.0 0 9.9 23 80 M M 0 8 33 70  
11 102 80 91 6 0 26 0.00 0.0 0 11.5 23 160 M M 0 30 120  
12 97 76 87 3 0 22 T 0.0 0 8.2 20 50 M M 2 33 30  
13 96 75 86 2 0 21 0.01 0.0 0 4.8 21 140 M M 2 28 140  
14 100 74 87 3 0 22 0.06 0.0 0 6.3 28 340 M M 1 13 43 340  
15 97 78 88 4 0 23 0.00 0.0 0 7.0 26 160 M M 3 34 160  
16 94 74 84 1 0 19 0.00 0.0 0 8.1 20 50 M M 1 29 50  
17 98 74 86 3 0 21 0.00 0.0 0 3.1 14 120 M M 3 18 120  
18 98 76 87 4 0 22 0.00 0.0 0 7.9 16 160 M M 1 23 120  
19 101 75 88 5 0 23 0.00 0.0 0 11.9 22 140 M M 0 30 140  
20 103 76 90 8 0 25 0.00 0.0 0 11.4 18 160 M M 0 32 160  
21 101 78 90 8 0 25 0.00 0.0 0 11.6 22 150 M M 0 29 160  
22 102 78 90 8 0 25 0.00 0.0 0 10.4 20 140 M M 0 30 160  
23 105 80 93 11 0 28 T 0.0 0 10.2 25 290 M M 0 36 280  
24 107 82 95 14 0 30 T 0.0 0 7.9 18 160 M M 0 22 160  
25 105 82 94 13 0 29 0.00 0.0 0 9.7 20 110 M M 1 29 50  
26 99 78 89 8 0 24 0.01 0.0 0 4.8 20 70 M M 2 31 80  
27 99 76 88 8 0 23 0.00 0.0 0 7.6 24 40 M M 1 8 38 50  
28 98 72 85 5 0 20 0.00 0.0 0 9.2 17 160 M M 0 25 100  
29 98 75 87 7 0 22 0.00 0.0 0 11.1 20 140 M M 0 27 150  
30 96 77 87 7 0 22 0.00 0.0 0 8.9 17 160 M M 3 23 150  
================================================================================  
SM 3033 2321 0 734 0.08 0.0 258.4 M 22  
================================================================================  
AV101.1 77.4 8.6 FASTST M M 1 MAX(MPH)  
MISC ----> 28 340 43 340  
================================================================================  
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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