Climatological Report (Monthly)
Issued by NWS Austin/San Antonio, TX

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061
CXUS54 KEWX 020038 CCA
CLMSAT

CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
612 PM CST WED JAN 01 2025

...................................

...THE SAN ANTONIO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           89   12/30                          79  12/09
LOWEST            32   12/12                          31  12/11
AVG. MAXIMUM    70.4               64.7     5.7     68.4
AVG. MINIMUM    51.3               42.4     8.9     45.7
MEAN            60.9               53.5     7.4     57.1
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     1                                   1
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.57               2.00   -1.43     1.11
DAILY AVG.      0.02               0.06   -0.04     0.04
DAYS >= .01        7                                   6
DAYS >= .10        3                                   4
DAYS >= .50        0                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.22   12/07 TO 12/07

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    165                369    -204      243
 SINCE 7/1       234                591    -357       MM
COOLING TOTAL     47                 14      33        5
 SINCE 1/1      4091               3146     945       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    28/330    DATE  12/10
HIGHEST GUST SPEED/DIRECTION    40/330    DATE  12/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.61
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     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 2024 WAS THE 4TH WARMEST AND 37TH DRIEST DECEMBER ON RECORD.

SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.48 ON THE 11TH
LOWEST  SLP 29.66 ON THE 30TH

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SAN ANTONIO
                                          MONTH:     DECEMBER
                                          YEAR:      2024
                                          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  71  56  64   8   1   0 0.00  0.0    0  5.0 10  90   M    M   9        15  90
 2  69  48  59   3   6   0 0.00  0.0    0  7.0 16  70   M    M   7        25  70
 3  60  53  57   1   8   0 0.03  0.0    0  6.1 14  70   M    M  10        21  60
 4  64  52  58   2   7   0 0.16  0.0    0  4.0  9  60   M    M  10 1      14  50
 5  60  55  58   3   7   0    T  0.0    0  8.7 17  30   M    M  10 1      25  30
 6  55  48  52  -3  13   0 0.00  0.0    0  9.5 15  30   M    M  10        23  50
 7  50  43  47  -8  18   0 0.22  0.0    0  7.0 15  60   M    M  10 13     20  60
 8  57  47  52  -3  13   0    T  0.0    0  4.8 14 180   M    M  10 1      18 180
 9  81  49  65  11   0   0 0.00  0.0    0  4.8 13 240   M    M   4 12     20 230
10  62  41  52  -2  13   0 0.00  0.0    0 13.9 28 330   M    M   2        40 330
11  64  35  50  -4  15   0 0.00  0.0    0  4.8 10 350   M    M   0        16 330
12  67  32  50  -4  15   0 0.00  0.0    0  9.5 22 150   M    M   4        29 150
13  67  56  62   8   3   0 0.10  0.0    0  5.8 13 130   M    M  10 1      16 170
14  75  67  71  17   0   6 0.04  0.0    0  6.9 15 170   M    M  10 1      21 160
15  76  69  73  19   0   8 0.01  0.0    0 10.6 21 170   M    M  10 1      27 150
16  80  67  74  21   0   9    T  0.0    0  8.2 16 180   M    M   8 1      22 150
17  80  67  74  21   0   9 0.00  0.0    0  9.2 17 160   M    M   7        23 160
18  74  53  64  11   1   0    T  0.0    0  8.8 23  10   M    M   6 1      34  10
19  69  45  57   4   8   0 0.00  0.0    0  5.0 10 180   M    M   1        16  20
20  70  46  58   5   7   0 0.00  0.0    0  7.2 16  60   M    M   1        22  40
21  65  44  55   2  10   0 0.00  0.0    0  3.8 10 130   M    M   1        15 110
22  70  47  59   7   6   0 0.00  0.0    0  8.7 18 140   M    M   8        27 150
23  77  60  69  17   0   4 0.00  0.0    0 10.4 21 170   M    M   7        26 210
24  72  63  68  16   0   3    T  0.0    0  7.6 16  30   M    M   9 1      22  30
25  63  55  59   7   6   0 0.00  0.0    0  7.4 18 350   M    M   9        25  10
26  78  53  66  14   0   1 0.01  0.0    0  5.2 17 260   M    M   6 12     22 230
27  81  45  63  11   2   0 0.00  0.0    0  5.1 14 220   M    M   3        24 220
28  83  54  69  17   0   4    T  0.0    0 10.3 24 290   M    M   5 18     38 260
29  81  45  63  11   2   0 0.00  0.0    0  4.2 14 200   M    M   2        19 180
30  89  46  68  16   0   3 0.00  0.0    0  5.7 16 210   M    M   1 8      26 220
31  72  50  61   9   4   0 0.00  0.0    0  9.7 20  10   M    M   0        30  10
================================================================================
SM 2182 1591       165  47  0.57  0.0    224.9          M      190
================================================================================
AV 70.4 51.3                               7.3 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    28 330                 40 330
================================================================================
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

$$