430  
CXUS54 KEWX 030318  
CLMDRT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
922 PM CDT MON JUN 02 2025  
   
...............................  
 
   
..THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF MAY 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1906 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
HIGHEST 109 05/13 112 05/26  
LOWEST 57 05/11 68 05/17  
AVG. MAXIMUM 94.8 93.1 1.7 99.1  
AVG. MINIMUM 70.5 71.1 -0.6 76.7  
MEAN 82.7 82.1 0.6 87.9  
DAYS MAX >= 90 24 26  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 0.90 3.06 -2.16 0.06  
DAILY AVG. 0.03 0.10 -0.07 0.00  
DAYS >= .01 6 2  
DAYS >= .10 2 0  
DAYS >= .50 0 0  
DAYS >= 1.00 0 0  
GREATEST  
24 HR. TOTAL 0.50 05/07 TO 05/08  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 0.0 0.1 -0.1 MM  
 
DEGREE DAYS  
HEATING TOTAL 0 0 0 0  
SINCE 7/1 871 970 -99 MM  
COOLING TOTAL 558 530 28 718  
SINCE 1/1 1301 1046 255 MM    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 9.5  
HIGHEST WIND SPEED/DIRECTION 32/140 DATE 05/01  
HIGHEST GUST SPEED/DIRECTION 48/110 DATE 05/25  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.21  
NUMBER OF DAYS FAIR 24  
NUMBER OF DAYS PC 5  
NUMBER OF DAYS CLOUDY 2  
 
AVERAGE RH (PERCENT) 52  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 9 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 2  
LIGHT RAIN 9 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 4 FOG W/VIS <= 1/4 MILE 0  
HAZE 6  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 
MONTHLY CLIMATE SUMMARY:  
MAY 2025 WAS THE 8TH WARMEST AND THE 27TH DRIEST MAY ON  
RECORD.  
 
SPRING 2025 (MARCH, APRIL, MAY) WAS THE 2ND WARMEST SPRING AND  
THE 12TH DRIEST SPRING ON RECORD.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.16 ON THE 10TH  
LOWEST SLP 29.50 ON THE 19TH  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: DEL RIO  
MONTH: MAY  
YEAR: 2025  
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 64 79 1 0 14 T 0.0 0 10.9 32 140 M M 3 38 41 150  
2 90 66 78 0 0 13 0.00 0.0 0 8.6 20 350 M M 5 29 330  
3 84 66 75 -4 0 10 0.00 0.0 0 7.8 16 150 M M 5 23 110  
4 83 65 74 -5 0 9 0.00 0.0 0 14.7 25 120 M M 9 39 110  
5 92 67 80 1 0 15 0.08 0.0 0 15.1 26 100 M M 8 1 41 130  
6 93 71 82 3 0 17 0.01 0.0 0 9.6 25 120 M M 3 138 36 110  
7 93 64 79 -1 0 14 0.01 0.0 0 5.4 17 340 M M 3 24 340  
8 86 62 74 -6 0 9 0.49 0.0 0 8.3 30 350 M M 5 13 47 360  
9 86 59 73 -7 0 8 0.00 0.0 0 8.4 18 360 M M 2 26 360  
10 87 60 74 -6 0 9 0.00 0.0 0 7.1 17 330 M M 1 27 320  
11 90 57 74 -7 0 9 0.00 0.0 0 7.5 21 310 M M 0 27 300  
12 96 58 77 -4 0 12 0.00 0.0 0 6.9 17 150 M M 0 23 140  
13 109 68 89 8 0 24 0.00 0.0 0 7.9 22 260 M M 0 27 230  
14 104 76 90 8 0 25 0.00 0.0 0 7.2 13 150 M M 0 19 160  
15 103 78 91 9 0 26 0.00 0.0 0 7.3 17 310 M M 0 28 290  
16 103 78 91 9 0 26 0.00 0.0 0 7.2 16 110 M M 0 31 140  
17 98 77 88 6 0 23 0.00 0.0 0 8.3 24 180 M M 1 3 34 210  
18 98 76 87 4 0 22 0.00 0.0 0 14.2 23 140 M M 1 8 31 140  
19 100 77 89 6 0 24 0.00 0.0 0 8.3 21 130 M M 2 30 120  
20 98 77 88 5 0 23 0.00 0.0 0 7.2 20 310 M M 0 30 340  
21 99 78 89 5 0 24 0.00 0.0 0 10.2 18 110 M M 1 28 100  
22 101 80 91 7 0 26 0.00 0.0 0 12.7 23 150 M M 2 8 31 130  
23 98 75 87 3 0 22 0.00 0.0 0 12.9 26 80 M M 2 8 37 90  
24 102 79 91 7 0 26 0.00 0.0 0 14.2 26 110 M M 1 37 130  
25 102 79 91 7 0 26 0.00 0.0 0 15.6 29 110 M M 1 38 48 110  
26 99 76 88 3 0 23 T 0.0 0 11.2 29 160 M M 1 3 41 170  
27 91 70 81 -4 0 16 T 0.0 0 7.5 20 80 M M 4 3 30 50  
28 93 68 81 -4 0 16 0.05 0.0 0 9.1 23 290 M M 2 3 32 290  
29 94 75 85 0 0 20 0.00 0.0 0 12.0 22 120 M M 4 32 110  
30 84 68 76 -10 0 11 0.26 0.0 0 5.8 26 20 M M 3 13 44 30  
31 89 72 81 -5 0 16 0.00 0.0 0 6.8 15 150 M M 0 21 170  
================================================================================  
SM 2939 2186 0 558 0.90 0.0 295.9 M 69  
================================================================================  
AV 94.8 70.5 9.5 FASTST M M 2 MAX(MPH)  
MISC ----> 32 140 48 110  
================================================================================  
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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