WFO Monthly/Daily Climate Data
Issued by NWS Huntsville, AL

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CXUS54 KHUN 010910
CF6MSL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MUSCLE SHOALS
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   34 45 N
                                          LONGITUDE:  87 37 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  46  25  36 -11  29   0 0.00  0.0    0  5.1 15 280   M    M   0        19 300
 2  51  23  37  -9  28   0 0.00  0.0    0  2.2  9  70   M    M   1 12     12 120
 3  57  29  43  -3  22   0 0.93  0.0    0  4.1 15 120   M    M   7 1      19 140
 4  49  35  42  -4  23   0 0.60  0.0    0  6.8 21 300   M    M   8 1      26 300
 5  58  32  45  -1  20   0 0.00  0.0    0  2.4 12 290   M    M   0 1      13 290
 6  62  32  47   2  18   0    T  0.0    0  4.9 15 220   M    M   2 1      19 330
 7  48  31  40  -5  25   0 0.00  0.0    0  6.9 21 340   M    M   2        30 320
 8  51  27  39  -6  26   0 0.00  0.0    0  1.5  7 110   M    M   1 128    12  80
 9  67  30  49   5  16   0 0.00  0.0    0  3.4 16 260   M    M   0 18     20 260
10  73  35  54  10  11   0 0.00  0.0    0  2.7 10 240   M    M   0        15 220
11  66  40  53   9  12   0 0.01  0.0    0  5.9 14 200   M    M   3        18 200
12  67  46  57  13   8   0 0.40  0.0    0  9.1 18 190   M    M   6 1      23 180
13  59  34  47   3  18   0 1.00  0.0    0  5.3 24  40   M    M   3 18     34  30
14  45  36  41  -2  24   0 0.38  0.0    0  9.2 20  50   M    M  10 1      25  50
15  48  30  39  -4  26   0 0.03  0.0    0  5.7 14  50   M    M   9 8      17  30
16  47  37  42  -1  23   0 0.12  0.0    0  8.1 18 280   M    M  10 18     23 290
17  44  29  37  -6  28   0 0.00  0.0    0  5.7 15 300   M    M   4        20 290
18  51  24  38  -5  27   0 0.00  0.0    0  2.2  8 140   M    M   0 18     11 140
19  55  30  43   1  22   0 0.10  0.0    0  6.0 14 160   M    M   7        19 160
20  54  36  45   3  20   0 0.04  0.0    0  2.4  9 200   M    M   7 128    12 210
21  63  39  51   9  14   0 0.00  0.0    0  8.0 24 270   M    M   4 18     31 260
22  60  34  47   5  18   0 0.00  0.0    0  2.6  9  80   M    M   0 18     11  80
23  62  38  50   8  15   0 0.35  0.0    0 11.8 25 170   M    M   5        35 170
24  55  29  42   0  23   0 0.94  0.0    0 14.1 28 280   M    M   6 1      34 280
25  35  21  28 -14  37   0 0.00  0.0    0  9.4 24 280   M    M   0        29 280
26  55  20  38  -3  27   0 0.00  0.0    0  5.0 16 250   M    M   0        19 230
27  63  28  46   5  19   0 0.00  0.0    0  9.3 21 190   M    M   1        25 190
28  63  39  51  10  14   0 0.00  0.0    0  6.9 17 200   M    M   6        23 210
29  58  35  47   6  18   0 0.00  0.0    0  5.0 12  70   M    M   0 8      14  70
30  71  43  57  16   8   0    T  0.0    0 10.9 23 160   M    M   6        30 160
31  65  46  56  15   9   0 0.11  0.0    0  7.5 14  40   M    M  10 18     19  60
================================================================================
SM 1748 1013       628   0  5.01  0.0    190.1          M      118
================================================================================
AV 56.4 32.7                               6.1 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    28 280                 35 170
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   MUSCLE SHOALS
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   34 45 N
                                          LONGITUDE:  87 37 W

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

AVERAGE MONTHLY: 44.5   TOTAL FOR MONTH:   5.01    1 = FOG OR MIST
DPTR FM NORMAL:   1.2   DPTR FM NORMAL:   -0.67    2 = FOG REDUCING VISIBILITY
HIGHEST:    73 ON 10    GRTST 24HR  1.53 ON  3- 4      TO 1/4 MILE OR LESS
LOWEST:     20 ON 26                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  T            5 = HAIL
                        GRTST 24HR  0.0            6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  0            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:   0    0.01 INCH OR MORE:  13
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  10
MIN 32 OR BELOW:  16    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   628    CLEAR  (SCALE 0-3)  16
DPTR FM NORMAL   -46    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1   978    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -258

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL    -1    [PRESSURE DATA]
TOTAL FM JAN 1  2148    HIGHEST SLP 30.47 ON 18
DPTR FM NORMAL   276    LOWEST  SLP 29.75 ON 24

[REMARKS]
#FINAL-12-20#


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