228  
CXUS54 KEWX 011553  
CLMSAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
1047 AM CDT THU JUN 01 2023  
   
...............................
 
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR THE MONTH OF MAY 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1886 TO 2023  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
HIGHEST 94 05/05 101 05/08  
05/18  
05/21  
LOWEST 58 05/01 59 05/26  
AVG. MAXIMUM 85.1 86.6 -1.5 94.8  
AVG. MINIMUM 67.4 66.4 1.0 71.1  
MEAN 76.2 76.5 -0.3 83.0  
DAYS MAX >= 90 2 24  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 3.92 4.40 -0.48 0.86  
DAILY AVG. 0.13 0.14 -0.01 0.03  
DAYS >= .01 10 5  
DAYS >= .10 6 3  
DAYS >= .50 1 0  
DAYS >= 1.00 1 0  
GREATEST  
24 HR. TOTAL 2.31 05/13 TO 05/13  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 T 0.2 -0.2 MM  
 
DEGREE DAYS  
HEATING TOTAL 0 3 -3 0  
SINCE 7/1 1183 1436 -253 MM  
COOLING TOTAL 358 359 -1 566  
SINCE 1/1 728 625 103 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.1  
HIGHEST WIND SPEED/DIRECTION 30/290 DATE 05/13  
HIGHEST GUST SPEED/DIRECTION 45/300 DATE 05/13  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.71  
NUMBER OF DAYS FAIR 1  
NUMBER OF DAYS PC 14  
NUMBER OF DAYS CLOUDY 16  
 
AVERAGE RH (PERCENT) 73  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 11 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 6  
LIGHT RAIN 14 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 10 FOG W/VIS <= 1/4 MILE 0  
HAZE 2  
 
- 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 THE 59TH WARMEST AND THE 45TH WETTEST MAY ON RECORD.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.18 ON THE 15TH  
LOWEST SLP 29.70 ON THE 11TH  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: SAN ANTONIO  
MONTH: MAY  
YEAR: 2023  
LATITUDE: 29 31 N  
LONGITUDE: 98 28 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 83 58 71 -2 0 6 0.00 0.0 0 8.6 18 130 M M 3 23 130  
2 80 67 74 1 0 9 T 0.0 0 8.2 17 120 M M 8 22 110  
3 84 65 75 2 0 10 0.00 0.0 0 7.0 17 130 M M 8 24 140  
4 85 68 77 4 0 12 T 0.0 0 9.0 26 130 M M 9 35 160  
5 94 72 83 9 0 18 T 0.0 0 9.9 22 150 M M 7 1 29 150  
6 88 69 79 5 0 14 0.06 0.0 0 10.7 26 110 M M 9 3 33 120  
7 82 72 77 3 0 12 0.04 0.0 0 10.1 29 130 M M 10 13 36 140  
8 91 70 81 7 0 16 0.00 0.0 0 11.2 24 110 M M 7 1 31 120  
9 75 65 70 -5 0 5 0.37 0.0 0 6.4 26 290 M M 10 13 38 290  
10 83 68 76 1 0 11 T 0.0 0 7.7 17 120 M M 9 1 23 120  
11 89 73 81 6 0 16 0.00 0.0 0 10.4 20 130 M M 8 18 25 150  
12 87 75 81 6 0 16 T 0.0 0 13.0 25 120 M M 9 13 38 300  
13 78 64 71 -5 0 6 2.31 0.0 0 5.8 30 290 M M 9 13 45 300  
14 87 64 76 0 0 11 0.00 0.0 0 4.8 13 110 M M 7 17 110  
15 81 68 75 -1 0 10 0.06 0.0 0 4.6 23 170 M M 8 3 33 180  
16 87 66 77 1 0 12 0.07 0.0 0 3.5 16 270 M M 8 3 24 290  
17 88 63 76 -1 0 11 0.00 0.0 0 2.7 13 70 M M 5 17 60  
18 88 65 77 0 0 12 0.00 0.0 0 6.3 16 150 M M 4 21 170  
19 89 71 80 3 0 15 T 0.0 0 7.8 17 160 M M 8 3 22 160  
20 81 67 74 -4 0 9 0.31 0.0 0 7.2 21 10 M M 9 3 27 10  
21 73 66 70 -8 0 5 0.17 0.0 0 3.6 10 110 M M 10 1 15 10  
22 85 63 74 -4 0 9 0.00 0.0 0 3.2 12 130 M M 6 19 170  
23 89 69 79 1 0 14 0.00 0.0 0 6.4 16 160 M M 4 18 21 160  
24 88 65 77 -2 0 12 0.23 0.0 0 6.4 28 10 M M 5 3 37 10  
25 85 69 77 -2 0 12 0.00 0.0 0 5.8 16 130 M M 6 23 100  
26 86 71 79 0 0 14 0.00 0.0 0 5.0 14 110 M M 7 18 100  
27 85 69 77 -2 0 12 0.00 0.0 0 6.9 15 160 M M 5 20 120  
28 85 70 78 -2 0 13 0.00 0.0 0 9.3 17 150 M M 8 24 150  
29 87 66 77 -3 0 12 0.30 0.0 0 5.4 22 300 M M 7 3 28 290  
30 88 63 76 -4 0 11 0.00 0.0 0 5.9 16 130 M M 4 21 100  
31 88 67 78 -2 0 13 0.00 0.0 0 7.9 18 130 M M 4 25 120  
================================================================================  
SM 2639 2088 0 358 3.92 0.0 220.7 M 221  
================================================================================  
AV 85.1 67.4 7.1 FASTST M M 7 MAX(MPH)  
MISC ----> 30 290 45 300  
================================================================================  
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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