126  
CXUS54 KEWX 020023  
CLMAUS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
623 PM CST WED JAN 01 2025  
   
...............................  
 
...THE AUSTIN BERGSTROM CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1943 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
HIGHEST 86 12/30 77 12/09  
LOWEST 26 12/12 24 12/11  
AVG. MAXIMUM 70.6 64.1 6.5 68.2  
AVG. MINIMUM 46.3 39.5 6.8 40.6  
MEAN 58.5 51.8 6.7 54.4  
DAYS MAX >= 90 0 0  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 2 7  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 2.01 2.61 -0.60 2.32  
DAILY AVG. 0.06 0.08 -0.02 0.07  
DAYS >= .01 13 6  
DAYS >= .10 7 5  
DAYS >= .50 1 1  
DAYS >= 1.00 0 1  
GREATEST  
24 HR. TOTAL 0.55 12/03 TO 12/04  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.1 -0.1 0.0  
SINCE 7/1 0.0 0.1 -0.1 MM  
 
DEGREE DAYS  
HEATING TOTAL 237 423 -186 321  
SINCE 7/1 358 688 -330 MM  
COOLING TOTAL 43 14 29 2  
SINCE 1/1 3551 2996 555 MM    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 7.1  
HIGHEST WIND SPEED/DIRECTION 31/350 DATE 12/18  
HIGHEST GUST SPEED/DIRECTION 42/350 DATE 12/18  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.57  
NUMBER OF DAYS FAIR 9  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 13  
 
AVERAGE RH (PERCENT) 70  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 4 MIXED PRECIP 0  
HEAVY RAIN 3 RAIN 3  
LIGHT RAIN 15 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 1  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 15 FOG W/VIS <= 1/4 MILE 2  
HAZE 2  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 
MONTHLY CLIMATE SUMMARY:  
DECEMBER WAS THE 4TH WARMEST AND THE 38TH WETTEST ON RECORD.  
 
SEA LEVEL PRESSURE DATA:  
HIGHEST SLP 30.51 ON THE 3RD  
LOWEST SLP 29.66 ON THE 30TH  
 
COMMENTS:  
1/4" DIAMETER HAIL WAS OBSERVED FOR 10 MINUTES FROM 1054 AM TO 1104 AM ON  
DEC 28TH.  
 
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)  
 
STATION: AUSTIN BERGSTROM  
MONTH: DECEMBER  
YEAR: 2024  
LATITUDE: 30 13 N  
LONGITUDE: 97 40 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 71 43 57 2 8 0 0.00 0.0 0 2.7 9 80 M M 5 16 90  
2 69 37 53 -2 12 0 0.00 0.0 0 4.2 14 60 M M 4 24 70  
3 65 40 53 -1 12 0 0.02 0.0 0 4.8 10 120 M M 8 20 100  
4 59 53 56 2 9 0 0.53 0.0 0 5.7 10 10 M M 10 13 14 20  
5 61 50 56 2 9 0 T 0.0 0 12.8 21 30 M M 9 1 29 50  
6 53 43 48 -6 17 0 0.01 0.0 0 11.6 18 20 M M 9 25 20  
7 48 42 45 -8 20 0 0.42 0.0 0 7.4 15 40 M M 10 13 20 60  
8 61 45 53 0 12 0 0.01 0.0 0 4.9 15 180 M M 10 1 20 180  
9 85 48 67 14 0 2 0.00 0.0 0 6.8 17 20 M M 3 1 22 220  
10 62 42 52 -1 13 0 0.00 0.0 0 13.8 28 350 M M 4 37 360  
11 64 33 49 -3 16 0 0.00 0.0 0 4.6 13 310 M M 0 20 310  
12 67 26 47 -5 18 0 0.00 0.0 0 7.3 20 170 M M 5 28 180  
13 67 56 62 10 3 0 0.16 0.0 0 6.1 13 160 M M 10 1 16 150  
14 80 67 74 22 0 9 0.11 0.0 0 6.0 13 220 M M 10 1 19 220  
15 81 68 75 23 0 10 0.10 0.0 0 9.3 20 190 M M 10 1 30 200  
16 81 62 72 20 0 7 T 0.0 0 7.8 17 180 M M 8 1 25 180  
17 80 63 72 21 0 7 0.00 0.0 0 6.7 16 170 M M 5 12 23 170  
18 71 45 58 7 7 0 0.04 0.0 0 9.8 31 350 M M 5 1 42 350  
19 69 37 53 2 12 0 0.00 0.0 0 4.1 12 10 M M 0 15 10  
20 68 36 52 1 13 0 0.00 0.0 0 6.9 18 30 M M 1 28 60  
21 63 28 46 -5 19 0 0.00 0.0 0 2.3 10 40 M M 1 17 90  
22 71 38 55 4 10 0 0.00 0.0 0 7.6 20 150 M M 7 27 160  
23 78 55 67 17 0 2 0.00 0.0 0 10.8 23 180 M M 8 33 180  
24 78 61 70 20 0 5 0.01 0.0 0 8.9 24 30 M M 8 3 31 30  
25 61 55 58 8 7 0 0.02 0.0 0 7.8 17 20 M M 10 1 20 10  
26 79 48 64 14 1 0 0.33 0.0 0 4.7 15 230 M M 7 12 22 270  
27 82 39 61 11 4 0 0.00 0.0 0 5.4 15 200 M M 3 1 22 180  
28 83 48 66 16 0 1 0.25 0.0 0 9.2 20 260 M M 5 1358 32 280  
29 77 43 60 10 5 0 0.00 0.0 0 3.3 13 180 M M 3 17 160  
30 86 42 64 14 1 0 0.00 0.0 0 6.6 17 180 M M 1 8 24 220  
31 69 42 56 6 9 0 0.00 0.0 0 11.5 22 10 M M 0 31 350  
================================================================================  
SM 2189 1435 237 43 2.01 0.0 221.4 M 179  
================================================================================  
AV 70.6 46.3 7.1 FASTST M M 6 MAX(MPH)  
MISC ----> 31 350 42 350  
================================================================================  
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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