551  
CXUS54 KEWX 011554  
CLMDRT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
1047 AM CDT THU JUN 01 2023  
   
...............................
 
 
   
..THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF MAY 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 102 05/05 107 05/07  
LOWEST 65 05/01 61 05/25  
05/26  
AVG. MAXIMUM 89.1 91.2 -2.1 96.0  
AVG. MINIMUM 69.9 68.3 1.6 72.1  
MEAN 79.5 79.7 -0.2 84.1  
DAYS MAX >= 90 16 25  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 5.02 3.06 1.96 1.93  
DAILY AVG. 0.16 0.10 0.06 0.06  
DAYS >= .01 9 7  
DAYS >= .10 7 3  
DAYS >= .50 3 1  
DAYS >= 1.00 2 1  
GREATEST  
24 HR. TOTAL 1.71 05/27 TO 05/28  
 
SNOWFALL (INCHES)  
TOTALS 0.0 MM MM 0.0  
SINCE 7/1 0.0 MM MM MM  
 
DEGREE DAYS  
HEATING TOTAL 0 1 -1 0  
SINCE 7/1 994 1250 -256 MM  
COOLING TOTAL 460 458 2 601  
SINCE 1/1 1079 843 236 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 9.0  
HIGHEST WIND SPEED/DIRECTION 47/270 DATE 05/12  
HIGHEST GUST SPEED/DIRECTION 62/260 DATE 05/12  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.33  
NUMBER OF DAYS FAIR 16  
NUMBER OF DAYS PC 14  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 65  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 7 MIXED PRECIP 0  
HEAVY RAIN 4 RAIN 5  
LIGHT RAIN 9 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 8 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:  
MAY 2023 WAS TIED FOR THE 29TH WARMEST AND WAS THE  
14TH WETTEST MAY ON RECORD.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.23 ON THE 15TH  
LOWEST SLP 29.62 ON THE 10TH  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: DEL RIO  
MONTH: MAY  
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 94 65 80 4 0 15 0.00 0.0 0 7.8 15 90 M M 0 22 80  
2 83 71 77 1 0 12 0.00 0.0 0 10.3 20 100 M M 5 28 150  
3 86 69 78 2 0 13 0.00 0.0 0 10.3 20 150 M M 5 25 160  
4 91 71 81 4 0 16 0.01 0.0 0 9.6 17 170 M M 5 3 22 160  
5 102 69 86 9 0 21 0.00 0.0 0 7.2 16 120 M M 0 23 130  
6 91 79 85 8 0 20 0.00 0.0 0 9.7 20 110 M M 3 29 100  
7 87 74 81 3 0 16 0.00 0.0 0 12.6 23 140 M M 5 32 130  
8 92 68 80 2 0 15 0.00 0.0 0 9.9 22 160 M M 0 27 150  
9 93 69 81 3 0 16 0.00 0.0 0 10.4 37 70 M M 0 49 70  
10 95 70 83 5 0 18 0.00 0.0 0 11.2 22 100 M M 5 31 100  
11 98 77 88 10 0 23 0.00 0.0 0 8.9 18 150 M M 5 26 140  
12 91 68 80 1 0 15 1.50 0.0 0 12.2 47 270 M M 7 138 62 260  
13 78 67 73 -6 0 8 0.18 0.0 0 5.7 20 110 M M 7 13 28 110  
14 87 66 77 -2 0 12 0.00 0.0 0 3.3 10 250 M M 4 13 250  
15 82 66 74 -6 0 9 0.91 0.0 0 6.4 18 180 M M 3 13 25 190  
16 86 67 77 -3 0 12 0.46 0.0 0 4.3 16 160 M M 5 13 27 150  
17 90 67 79 -1 0 14 0.00 0.0 0 5.1 13 150 M M 0 16 160  
18 91 70 81 1 0 16 T 0.0 0 8.0 25 230 M M 1 37 210  
19 89 70 80 -1 0 15 0.00 0.0 0 6.9 15 150 M M 2 1 21 100  
20 81 71 76 -5 0 11 0.24 0.0 0 5.8 17 70 M M 8 26 50  
21 83 69 76 -5 0 11 0.01 0.0 0 7.1 16 110 M M 6 22 100  
22 83 67 75 -6 0 10 T 0.0 M 8.6 21 140 M M 6 18 26 140  
23 95 72 84 2 0 19 0.00 0.0 0 10.3 20 150 M M 1 8 26 140  
24 91 76 84 2 0 19 0.00 0.0 0 12.7 21 120 M M 2 30 110  
25 89 74 82 0 0 17 0.00 0.0 0 11.3 21 140 M M 4 28 100  
26 89 75 82 0 0 17 0.00 0.0 0 10.4 18 90 M M 6 26 90  
27 90 66 78 -4 0 13 1.56 0.0 0 11.1 35 320 M M 4 13 51 320  
28 82 67 75 -8 0 10 0.15 0.0 0 11.1 24 80 M M 1 13 36 80  
29 89 68 79 -4 0 14 0.00 0.0 0 7.6 24 100 M M 1 34 100  
30 93 68 81 -2 0 16 0.00 0.0 0 9.2 18 100 M M 1 25 110  
31 91 72 82 -1 0 17 0.00 0.0 0 12.8 22 150 M M 2 29 150  
================================================================================  
SM 2762 2168 0 460 5.02 0.0 277.8 M 104  
================================================================================  
AV 89.1 69.9 9.0 FASTST M M 3 MAX(MPH)  
MISC ----> 47 270 62 260  
================================================================================  
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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