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

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CXUS54 KEWX 061812
CLMATT

CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
1212 PM CST SAT JAN 6 2018

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

...THE AUSTIN CAMP MABRY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1897 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            85   12/04                         84  12/26
LOWEST             27   12/31                         23  12/19
AVG. MAXIMUM     62.3              62.7    -0.4     63.5
AVG. MINIMUM     42.5              42.3     0.2     46.5
MEAN             52.4              52.5    -0.1     55.0
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      3                                  2
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           4.31              2.40    1.91     2.54
DAILY AVG.       0.14              0.08    0.06     0.08
DAYS >= .01         7                                  6
DAYS >= .10         5                                  4
DAYS >= .50         3                                  2
DAYS >= 1.00        2                                  1
GREATEST
 24 HR. TOTAL    1.64   12/19 TO 12/19

SNOWFALL (INCHES)
TOTALS            0.4                 T     0.4      0.0
SINCE 7/1         0.4

DEGREE_DAYS
HEATING TOTAL     397               400      -3      341
 SINCE 7/1        520               612     -92      401
COOLING TOTAL      14                13       1       40
 SINCE 1/1       3655              3139     516     3490
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.0
HIGHEST WIND SPEED/DIRECTION    18/140    DATE  12/19
HIGHEST GUST SPEED/DIRECTION    28/020    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       4
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      1
FOG                      16     FOG W/VIS <= 1/4 MILE      2
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 2017 WAS THE 57TH COOLEST AND 18TH WETTEST
SINCE RECORD KEEPING BEGAN.

SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.67 INCHES ON THE 31TH
LOWEST  SLP 29.81 INCHES ON THE 21TH

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

                                          STATION:   AUSTIN CAMP MABRY
                                          MONTH:     DECEMBER
                                          YEAR:      2017
                                          LATITUDE:   30 17 N
                                          LONGITUDE:  97 42 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  77  53  65  10   0   0 0.00  0.0    0  1.6  9 150   M    M   4        13 150
 2  80  51  66  11   0   1 0.00  0.0    0  1.7 12 150   M    M   1        14 150
 3  73  61  67  12   0   2 0.01  0.0    0  3.3 10 120   M    M   7 12     16 120
 4  85  67  76  21   0  11    T  0.0    0  5.1 12 200   M    M   7        24 180
 5  72  42  57   3   8   0 0.14  0.0    0  7.8 17  10   M    M  10 1      28  20
 6  43  40  42 -12  23   0 0.94  0.0    0  5.6 12  10   M    M  10 1      19  20
 7  47  32  40 -14  25   0 0.09  0.4    0  5.7 15  20   M    M  10 14     25  30
 8  49  31  40 -14  25   0 0.00  0.0    T  2.6 10 140   M    M   2        14 150
 9  67  34  51  -2  14   0 0.00  0.0    0  6.1 14 340   M    M   0        23  10
10  70  38  54   1  11   0 0.00  0.0    0  1.9  8 290   M    M   0        12 290
11  76  44  60   7   5   0 0.00  0.0    0  5.2 13 300   M    M   0        20 300
12  65  39  52  -1  13   0 0.00  0.0    0  5.2 13 330   M    M   0        22 360
13  62  36  49  -4  16   0 0.00  0.0    0  2.6 10 220   M    M   0        17 200
14  65  44  55   3  10   0 0.00  0.0    0  4.2 14  20   M    M   0        21  20
15  61  42  52   0  13   0 0.00  0.0    0  3.8 12  10   M    M   1        20  20
16  53  41  47  -5  18   0 1.32  0.0    0  1.6  7 100   M    M   7 1      11 290
17  59  45  52   0  13   0 0.00  0.0    0  1.7  9 140   M    M   8 1      12 150
18  57  49  53   1  12   0    T  0.0    0  0.3  6 360   M    M  10 12      8 360
19  71  56  64  12   1   0 1.64  0.0    0  3.6 18 140   M    M   9 13     27 150
20  77  50  64  12   1   0 0.00  0.0    0  2.9 12 290   M    M   0 1      18 290
21  79  48  64  12   1   0    T  0.0    0  4.2 12 170   M    M   2 1      21 180
22  71  41  56   5   9   0 0.17  0.0    0  6.3 14 330   M    M  10 1      26 320
23  56  37  47  -4  18   0 0.00  0.0    0  2.4  9 330   M    M   0        14 340
24  63  38  51   0  14   0 0.00  0.0    0  4.7 17 360   M    M   1        26 360
25  55  34  45  -6  20   0 0.00  0.0    0  4.7 10 110   M    M   4        17 150
26  51  41  46  -5  19   0    T  0.0    0  4.8 13  10   M    M  10 1      20  50
27  41  38  40 -11  25   0    T  0.0    0  7.6 14  20   M    M  10 1      22 360
28  50  37  44  -7  21   0 0.00  0.0    0  1.7  7  10   M    M  10        11  90
29  49  40  45  -6  20   0 0.00  0.0    0  2.4  7 150   M    M  10 1      10  20
30  63  43  53   2  12   0 0.00  0.0    0  5.6 10  20   M    M   4 1      17  20
31  43  27  35 -16  30   0    T    T    0  8.2 16 360   M    M  10 16     25 360
================================================================================
SM 1930 1319       397  14  4.31     0.4 125.1          M      157
================================================================================
AV 62.3 42.6                               4.0 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 18 140               # 28   20
================================================================================
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
3 = THUNDER
4 = ICE PELLETS
5 = HAIL
6 = FREEZING RAIN OR DRIZZLE
7 = DUSTSTORM OR SANDSTORM:
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO



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