770  
CXUS54 KEWX 032312  
CLMDRT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
752 PM CDT SUN JUN 02 2024  
   
...............................
 
 
   
..THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF MAY 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1906 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
HIGHEST 112R 05/26 102 05/05  
LOWEST 68 05/17 65 05/01  
AVG. MAXIMUM 99.1 93.1 6.0 89.1  
AVG. MINIMUM 76.7 71.1 5.6 69.9  
MEAN 87.9 82.1 5.8 79.5  
DAYS MAX >= 90 26 16  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 0.06 3.06 -3.00 5.02  
DAILY AVG. 0.00 0.10 -0.10 0.16  
DAYS >= .01 2 9  
DAYS >= .10 0 7  
DAYS >= .50 0 3  
DAYS >= 1.00 0 2  
GREATEST  
24 HR. TOTAL 0.03 05/05 TO 05/05  
05/12 TO 05/12  
 
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 7/1 878 970 -92 MM  
COOLING TOTAL 718 530 188 460  
SINCE 1/1 1379 1046 333 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 10.2  
HIGHEST WIND SPEED/DIRECTION 46/150 DATE 05/28  
HIGHEST GUST SPEED/DIRECTION 62/150 DATE 05/28  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.37  
NUMBER OF DAYS FAIR 16  
NUMBER OF DAYS PC 11  
NUMBER OF DAYS CLOUDY 4  
 
AVERAGE RH (PERCENT) 54  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 4 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 0  
LIGHT RAIN 10 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 7 FOG W/VIS <= 1/4 MILE 0  
HAZE 23  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
MONTHLY CLIMATE SUMMARY:  
MAY 2024 WAS THE WARMEST AND 2ND DRIEST MAY ON RECORD.  
 
THE HIGH TEMPERATURE OF 112 DEGREES ON THE 26TH BROKE THE RECORD  
HIGH FOR THE MONTH. THE OLD RECORD WAS 109 SET ON MAY 24, 2000.  
 
THE HIGH TEMPERATURE OF 112 DEGREES ON THE 26TH ALSO BROKE THE  
RECORD HIGH FOR SPRING (MARCH THROUGH MAY). THE OLD RECORD WAS 109  
SET ON MAY 24, 2000.  
 
THE AVERAGE HIGH TEMPERATURE OF 99.1 DEGREES BROKE THE RECORD FOR  
HIGHEST AVERAGE HIGH TEMPERATURE FOR THE MONTH. THE OLD RECORD WAS  
96.8 SET IN 1998.  
 
THE MEAN TEMPERATURE OF 87.9 DEGREES BROKE THE RECORD FOR HIGHEST  
MEAN TEMPERATURE FOR THE MONTH. THE OLD RECORD WAS 84.2 SET IN 1998.  
 
THE LOW TEMPERATURES OF 82 DEGREES ON THE 25TH, 27TH, AND 30TH BROKE  
THE RECORD FOR WARMEST LOW FOR THE MONTH. THE OLD RECORD WAS 81 SET  
ON MAY 29, 1927.  
 
THE LOW TEMPERATURES OF 82 DEGREES ON THE 25TH, 27TH, AND 30TH BROKE  
THE RECORD FOR WARMEST LOW FOR THE SPRING (MARCH THROUGH MAY). THE  
OLD RECORD WAS 81 SET ON MAY 29, 1927.  
 
THE AVERAGE LOW TEMPERATURE OF 76.7 DEGREES BROKE THE RECORD FOR  
WARMEST AVERAGE LOW TEMPERATURE FOR THE MONTH. THE OLD RECORD WAS  
72.1 SET IN 2022.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.03 ON THE 29TH  
LOWEST SLP 29.47 ON THE 8TH  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: DEL RIO  
MONTH: MAY  
YEAR: 2024  
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 82 76 79 1 0 14 T 0.0 0 10.2 17 90 M M 7 18 24 110  
2 100 75 88 10 0 23 0.00 0.0 0 8.1 20 100 M M 3 18 29 110  
3 99 78 89 10 0 24 0.00 0.0 0 12.9 25 100 M M 5 38 37 110  
4 88 76 82 3 0 17 T 0.0 0 12.4 23 120 M M 9 8 32 120  
5 83 74 79 0 0 14 0.03 0.0 0 10.4 18 80 M M 9 18 27 100  
6 95 74 85 6 0 20 0.00 0.0 0 11.3 17 120 M M 6 18 27 120  
7 101 77 89 9 0 24 0.00 0.0 0 7.9 21 150 M M 5 18 27 140  
8 106 79 93 13 0 28 0.00 0.0 0 6.9 15 130 M M 2 8 22 130  
9 109 79 94 14 0 29 0.00 0.0 0 8.4 20 50 M M 3 8 29 60  
10 91 77 84 4 0 19 0.00 0.0 0 7.8 15 70 M M 8 23 70  
11 86 74 80 -1 0 15 T 0.0 0 8.4 20 100 M M 8 29 110  
12 88 70 79 -2 0 14 0.03 0.0 0 7.0 22 100 M M 6 1 30 120  
13 103 73 88 7 0 23 0.00 0.0 0 7.5 18 360 M M 2 8 27 330  
14 101 69 85 3 0 20 0.00 0.0 0 11.3 20 140 M M 0 27 140  
15 99 74 87 5 0 22 0.00 0.0 0 14.4 25 150 M M 0 38 150  
16 104 76 90 8 0 25 T 0.0 0 10.5 22 10 M M 6 8 39 360  
17 93 68 81 -1 0 16 0.00 0.0 0 4.4 18 210 M M 0 24 170  
18 107 70 89 6 0 24 0.00 0.0 0 8.5 17 140 M M 0 24 140  
19 106 77 92 9 0 27 0.00 0.0 0 14.4 24 150 M M 1 8 34 140  
20 103 78 91 8 0 26 0.00 0.0 0 13.5 23 110 M M 2 8 35 110  
21 100 81 91 7 0 26 0.00 0.0 0 12.1 21 120 M M 4 8 34 120  
22 93 81 87 3 0 22 T 0.0 0 10.0 20 120 M M 6 18 29 130  
23 102 81 92 8 0 27 0.00 0.0 0 9.1 22 110 M M 4 8 32 110  
24 109 81 95 11 0 30 0.00 0.0 0 7.8 20 110 M M 3 8 29 100  
25 108 82 95 11 0 30 T 0.0 0 11.6 21 120 M M 3 38 33 120  
26 112 81 97 12 0 32 0.00 0.0 0 8.8 20 110 M M 1 8 30 110  
27 108 82 95 10 0 30 T 0.0 0 7.5 29 220 M M 0 8 39 230  
28 104 77 91 6 0 26 T 0.0 0 14.9 46 150 M M 1 38 62 150  
29 101 76 89 4 0 24 0.00 0.0 0 12.1 23 150 M M 1 36 110  
30 97 82 90 4 0 25 T 0.0 0 12.9 22 150 M M 6 38 29 120  
31 93 80 87 1 0 22 0.00 0.0 0 14.0 22 160 M M 7 8 32 100  
================================================================================  
SM 3071 2378 0 718 0.06 0.0 317.0 M 118  
================================================================================  
AV 99.1 76.7 10.2 FASTST M M 4 MAX(MPH)  
MISC ----> 46 150 62 150  
================================================================================  
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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