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Climatological Report (Monthly)
Issued by NWS Austin/San Antonio, TX
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CXUS54 KEWX 221535 CCA
CLMSAT

CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
426 PM CST MON JAN 01 2024

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

...THE SAN ANTONIO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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           79   12/09                          81  12/08
LOWEST            31   12/11                          16  12/23
AVG. MAXIMUM    68.4               64.7     3.7     65.3
AVG. MINIMUM    45.7               42.4     3.3     45.5
MEAN            57.1               53.5     3.6     55.4
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     1                                   6
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          1.11               2.00   -0.89     0.47
DAILY AVG.      0.04               0.06   -0.02     0.02
DAYS >= .01        6                                   5
DAYS >= .10        4                                   1
DAYS >= .50        1                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.71   12/23 TO 12/24

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    243                369    -126      345
 SINCE 7/1       452                591    -139       MM
COOLING TOTAL      5                 14      -9       54
 SINCE 1/1      3963               3146     817       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    25/340    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    36/360    DATE  12/09
                                36/350          12/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               10     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      3
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

MONTHLY CLIMATE SUMMARY:
DECEMBER 2023 WAS TIED FOR THE 15TH WARMEST AND WAS THE
63RD DRIEST DECEMBER ON RECORD.

SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.42 ON 10TH
LOWEST  SLP 29.73 ON 24TH

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

                                          STATION:   SAN ANTONIO
                                          MONTH:     DECEMBER
                                          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  74  53  64   8   1   0 0.00  0.0    0  6.2 15 350   M    M   6        21 350
 2  72  49  61   5   4   0 0.00  0.0    0  4.5 13 290   M    M   8        17 270
 3  74  44  59   3   6   0 0.00  0.0    0  7.4 17 240   M    M   6        23 210
 4  70  47  59   3   6   0 0.00  0.0    0  6.0 15  10   M    M   1        22  30
 5  73  42  58   3   7   0 0.00  0.0    0  3.5  9 130   M    M   2        10 130
 6  69  46  58   3   7   0 0.00  0.0    0  4.6 10 160   M    M   4        16  70
 7  71  47  59   4   6   0 0.00  0.0    0  6.9 17 170   M    M   9        23 160
 8  72  57  65  10   0   0    T  0.0    0  6.1 16 170   M    M   7 1      21 170
 9  79  53  66  12   0   1 0.02  0.0    0  8.8 23 350   M    M   5 12     36 360
10  62  37  50  -4  15   0 0.00  0.0    0  6.9 22 350   M    M   0        31 350
11  65  31  48  -6  17   0 0.00  0.0    0  5.3 13 160   M    M   0        20 200
12  69  39  54   0  11   0    T  0.0    0  8.7 21 130   M    M   6        27 130
13  58  52  55   1  10   0 0.14  0.0    0  9.1 16  70   M    M  10 1      22  90
14  63  51  57   3   8   0    T  0.0    0  6.7 15 110   M    M  10 1      20 100
15  65  54  60   6   5   0 0.19  0.0    0  5.7 15 110   M    M  10 12     20 330
16  68  42  55   2  10   0 0.00  0.0    0  7.5 18 360   M    M   1        27  10
17  70  36  53   0  12   0 0.00  0.0    0  5.5 13 220   M    M   1        20 220
18  73  41  57   4   8   0 0.00  0.0    0  6.2 15  10   M    M   3        22  10
19  68  47  58   5   7   0 0.00  0.0    0  7.2 16 150   M    M   6        21 150
20  73  50  62   9   3   0 0.00  0.0    0  7.0 17 140   M    M   8 12     22 170
21  64  61  63  10   2   0    T  0.0    0  7.1 16 120   M    M  10 1      21 120
22  72  61  67  15   0   2 0.05  0.0    0  3.2 12 120   M    M   9 1      15 130
23  70  63  67  15   0   2 0.18  0.0    0  9.0 17 140   M    M  10 1      22 130
24  75  53  64  12   1   0 0.53  0.0    0  7.7 23 280   M    M   6 13     30 290
25  58  43  51  -1  14   0 0.00  0.0    0  9.8 25 340   M    M   4        36 350
26  59  37  48  -4  17   0 0.00  0.0    0  5.6 15 200   M    M   4        21 200
27  68  38  53   1  12   0 0.00  0.0    0  5.6 15 360   M    M   1        22  10
28  63  37  50  -2  15   0 0.00  0.0    0  3.5 12 250   M    M   1        20 300
29  63  35  49  -3  16   0 0.00  0.0    0  5.5 15 250   M    M   1        20 270
30  69  35  52   0  13   0 0.00  0.0    0  4.7 15 220   M    M   2        20 220
31  72  37  55   3  10   0 0.00  0.0    0  5.4 16 160   M    M   3        20 140
================================================================================
SM 2121 1418       243   5  1.11  0.0    196.9          M      154
================================================================================
AV 68.4 45.7                               6.4 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    25 340               # 36 360
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

$$
National Weather Service Weather Forecast Office
