650  
CXUS54 KEWX 032105  
CLMSAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
352 PM CDT SAT MAY 03 2025  
   
...............................
 
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1886 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
HIGHEST 93 04/03 90 04/09  
04/29  
LOWEST 39 04/07 45 04/03  
AVG. MAXIMUM 85.5 80.3 5.2 82.7  
AVG. MINIMUM 63.7 58.4 5.3 62.3  
MEAN 74.6 69.4 5.2 72.5  
DAYS MAX >= 90 9 2  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 1.91 2.42 -0.51 3.07  
DAILY AVG. 0.06 0.08 -0.02 0.10  
DAYS >= .01 3 7  
DAYS >= .10 2 4  
DAYS >= .50 2 2  
DAYS >= 1.00 1 2  
GREATEST  
24 HR. TOTAL 1.12 04/23 TO 04/23  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0 T  
SINCE 7/1 0.1 0.2 -0.1 MM  
 
DEGREE DAYS  
HEATING TOTAL 24 35 -11 5  
SINCE 7/1 1082 1436 -354 MM  
COOLING TOTAL 320 166 154 236  
SINCE 1/1 553 266 287 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 11.4  
HIGHEST WIND SPEED/DIRECTION 40/120 DATE 04/23  
HIGHEST GUST SPEED/DIRECTION 51/110 DATE 04/23  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.58  
NUMBER OF DAYS FAIR 8  
NUMBER OF DAYS PC 6  
NUMBER OF DAYS CLOUDY 16  
 
AVERAGE RH (PERCENT) 65  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 4 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 3  
LIGHT RAIN 9 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 2 FOG W/VIS <= 1/4 MILE 0  
HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
MONTHLY CLIMATE SUMMARY:  
APRIL 2025 WAS THE 4TH WARMEST AND THE 55TH DRIEST APRIL ON  
RECORD.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.21 ON THE 15TH  
LOWEST SLP 29.48 ON THE 2ND  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: SAN ANTONIO  
MONTH: APRIL  
YEAR: 2025  
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 87 65 76 10 0 11 0.00 0.0 0 11.7 26 140 M M 9 36 140  
2 88 74 81 14 0 16 0.00 0.0 0 10.3 24 120 M M 8 29 120  
3 93 74 84 17 0 19 0.00 0.0 0 11.6 25 120 M M 8 32 100  
4 91 71 81 14 0 16 T 0.0 0 11.4 24 120 M M 9 3 31 130  
5 76 51 64 -3 1 0 0.05 0.0 0 16.3 30 330 M M 10 42 360  
6 61 45 53 -15 12 0 0.00 0.0 0 14.5 26 320 M M 5 38 310  
7 74 39 57 -11 8 0 0.00 0.0 0 5.0 17 330 M M 0 29 350  
8 79 44 62 -6 3 0 0.00 0.0 0 6.3 16 160 M M 0 20 150  
9 87 56 72 4 0 7 0.00 0.0 0 10.3 18 160 M M 0 29 190  
10 91 56 74 6 0 9 0.00 0.0 0 7.0 18 130 M M 0 24 140  
11 90 60 75 7 0 10 0.00 0.0 0 5.3 14 170 M M 1 20 160  
12 91 61 76 7 0 11 0.00 0.0 0 9.5 22 150 M M 0 30 180  
13 92 62 77 8 0 12 0.00 0.0 0 12.8 24 150 M M 1 32 150  
14 92 65 79 10 0 14 0.00 0.0 0 11.3 20 130 M M 4 26 130  
15 82 67 75 6 0 10 0.00 0.0 0 9.3 18 40 M M 8 27 20  
16 85 65 75 6 0 10 0.00 0.0 0 13.0 23 150 M M 6 29 150  
17 89 67 78 8 0 13 0.00 0.0 0 16.1 26 140 M M 8 34 160  
18 92 67 80 10 0 15 T 0.0 0 15.7 28 160 M M 7 38 160  
19 83 69 76 6 0 11 T 0.0 0 16.9 31 120 M M 9 41 140  
20 84 62 73 3 0 8 0.74 0.0 0 6.4 26 150 M M 6 13 35 150  
21 87 59 73 3 0 8 0.00 0.0 0 6.9 18 120 M M 0 25 100  
22 87 69 78 7 0 13 0.00 0.0 0 11.2 20 130 M M 8 27 140  
23 81 65 73 2 0 8 1.12 0.0 0 11.7 40 120 M M 8 13 51 110  
24 84 71 78 7 0 13 T 0.0 0 11.6 23 150 M M 9 27 150  
25 86 70 78 7 0 13 T 0.0 0 9.8 21 130 M M 8 25 120  
26 84 69 77 6 0 12 T 0.0 0 12.7 23 120 M M 9 32 140  
27 86 71 79 7 0 14 0.00 0.0 0 13.8 24 130 M M 8 30 140  
28 86 73 80 8 0 15 T 0.0 0 13.9 29 140 M M 9 39 130  
29 88 72 80 8 0 15 0.00 0.0 0 16.3 28 120 M M 9 34 140  
30 90 73 82 10 0 17 T 0.0 0 13.7 29 140 M M 7 3 36 140  
================================================================================  
SM 2566 1912 24 320 1.91 0.0 342.3 M 174  
================================================================================  
AV 85.5 63.7 11.4 FASTST M M 6 MAX(MPH)  
MISC ----> 40 120 51 110  
================================================================================  
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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