WFO Monthly/Daily Climate Data
Issued by NWS St Louis, MO

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CXUS53 KLSX 021441
CF6STL

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

                                          STATION:   ST. LOUIS
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   38 45 N
                                          LONGITUDE:  90 23 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  42  22  32  -7  33   0 0.00  0.0    0  4.0 12 280   M    M   0        16 270
 2  49  22  36  -3  29   0 0.00  0.0    0  3.4  9 110   M    M   6        14 120
 3  48  32  40   1  25   0    T  0.0    0  1.6 13 210   M    M   9        14 180
 4  52  36  44   6  21   0 0.00  0.0    0  7.9 16 260   M    M   5        21 270
 5  55  31  43   5  22   0 0.00  0.0    0  2.0  9 110   M    M   0        10 110
 6  45  29  37   0  28   0 0.00  0.0    0  4.6 10  20   M    M   8         M   M
 7  41  33  37   0  28   0    T    T    0  5.5 10 320   M    M   9        15 280
 8  49  37  43   6  22   0 0.00  0.0    0  5.0 12 220   M    M   8         M   M
 9  68  40  54  18  11   0 0.00  0.0    0  4.6 15 250   M    M   4        19 250
10  66  36  51  15  14   0 0.00  0.0    0  3.7  9 120   M    M   4        14 200
11  61  43  52  16  13   0 0.67  0.0    0  6.9 17 180   M    M   7 1      24 180
12  57  37  47  12  18   0 0.29  0.0    0 13.7 29 250   M    M  10 1      37 260
13  39  35  37   2  28   0 0.00  0.0    0  7.2 17 340   M    M  10        24 330
14  38  26  32  -3  33   0 0.00  0.0    0  8.2 21 330   M    M   5        27 330
15  35  23  29  -5  36   0    T    T    0  8.0 15  90   M    M   9        22  40
16  36  24  30  -4  35   0 0.01  0.3    T  7.3 15 340   M    M   6        20 340
17  37  22  30  -4  35   0 0.00  0.0    0  4.7  9 120   M    M   2 8      13 230
18  44  25  35   1  30   0 0.00  0.0    0 10.3 20 150   M    M   8 18     28 170
19  54  36  45  11  20   0 0.00  0.0    0 11.2 18 270   M    M   8 8      24 230
20  51  27  39   6  26   0 0.00  0.0    0  4.9 14 190   M    M   4 18     17 220
21  59  39  49  16  16   0 0.00  0.0    0 16.4 31 280   M    M   3        41 270
22  54  28  41   8  24   0 0.00  0.0    0  9.0 20 150   M    M   3        26 150
23  64  26  45  12  20   0 0.30  0.0    0 18.4 35 280   M    M   7 1      44 270
24  27  16  22 -11  43   0    T    T    0 16.3 28 290   M    M   4        34 280
25  27  10  19 -14  46   0 0.00  0.0    0 10.2 20 300   M    M   1        29 310
26  47  20  34   2  31   0 0.00  0.0    0  3.4 10 140   M    M   4        14 130
27  59  32  46  14  19   0    T  0.0    0 11.3 23 200   M    M   8        31 280
28  40  26  33   1  32   0 0.00  0.0    0  6.6 16 320   M    M   6        21 310
29  43  25  34   2  31   0 0.00  0.0    0 12.8 23 140   M    M   9        29 140
30  47  30  39   7  26   0 0.32    T    0 10.5 21 290   M    M   9 1      32 160
31  35  25  30  -2  35   0 0.01  0.0    0  8.1 15  60   M    M   9 6      22  60
================================================================================
SM 1469  893       830   0  1.60  0.3    247.7          M      185
================================================================================
AV 47.4 28.8                               8.0 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    35 280                 44 270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   ST. LOUIS
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   38 45 N
                                          LONGITUDE:  90 23 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 38.1   TOTAL FOR MONTH:   1.60    1 = FOG OR MIST
DPTR FM NORMAL:   3.4   DPTR FM NORMAL:   -1.24    2 = FOG REDUCING VISIBILITY
HIGHEST:    68 ON  9    GRTST 24HR  0.96 ON 11-12      TO 1/4 MILE OR LESS
LOWEST:     10 ON 25                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.3 INCH    5 = HAIL
                        GRTST 24HR   0.3 ON 16     6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  T            7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   2    0.01 INCH OR MORE:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:  21    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   830    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL  -109    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  1575    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL  -190

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1764    HIGHEST SLP 30.56 ON 29
DPTR FM NORMAL   118    LOWEST  SLP 29.53 ON 23

[REMARKS]
#FINAL-12-20#



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