WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN

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CXUS54 KMRX 011130
CF6TYS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   KNOXVILLE MCGHEE TYSON AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   35 49 N
                                          LONGITUDE:  83 59 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  64  32  48   3  17   0    T  0.0    0  5.6 22 210   M    M   7        29 220
 2  69  48  59  15   6   0 0.00  0.0    0 10.1 16 220   M    M   6        17 220
 3  73  45  59  15   6   0 0.00  0.0    0  5.8 14 230   M    M   1        18 200
 4  69  47  58  14   7   0 0.00  0.0    0  2.8 10 360   M    M   7        13 360
 5  60  47  54  10  11   0 0.02  0.0    0  2.8  8 280   M    M   7 1      10 290
 6  63  36  50   6  15   0 0.73  0.0    0 12.5 26 230   M    M   9 1      36 210
 7  45  29  37  -6  28   0 0.00  0.0    0  6.4 14  40   M    M   6        20  30
 8  51  34  43   0  22   0 0.01  0.0    0  3.2  8 220   M    M   5 1      13 270
 9  52  28  40  -3  25   0 0.00  0.0    0  4.1 13 270   M    M   6        16 270
10  53  46  50   7  15   0 0.02  0.0    0  2.3  8 290   M    M  10 1      12 340
11  72  40  56  13   9   0 0.83  0.0    0 14.8 40 270   M    M   9 13     62 270
12  49  30  40  -2  25   0 0.00  0.0    0  6.9 15 360   M    M   2        21 360
13  56  26  41  -1  24   0 0.00  0.0    0  2.1  8 220   M    M   0        10 200
14  61  28  45   3  20   0 0.00  0.0    0  2.5 10  30   M    M   1        14  20
15  62  32  47   5  18   0 0.00  0.0    0  0.7 10 260   M    M   6 8      13 240
16  71  36  54  12  11   0 0.04  0.0    0  7.1 29 220   M    M   7 18     36 220
17  65  54  60  18   5   0 0.07  0.0    0  5.5 16 220   M    M   9 1      20 230
18  70  52  61  20   4   0 0.43  0.0    0  6.5 22 220   M    M   9 1      28 200
19  54  35  45   4  20   0 0.07  0.0    0 10.5 16  20   M    M   9 18     23  10
20  47  28  38  -3  27   0 0.00  0.0    0  3.5 14  30   M    M   5        17  30
21  48  33  41   0  24   0 0.00  0.0    0  3.9 10  10   M    M   9        13  20
22  48  31  40  -1  25   0 0.00  0.0    0  4.4 12  20   M    M   2 12     16 330
23  56  25  41   0  24   0 0.00  0.0    0  2.9 12 220   M    M   3        14 220
24  62  36  49   9  16   0 0.00  0.0    0 10.6 29 210   M    M   7        41 200
25  69  60  65  25   0   0 0.00  0.0    0 19.6 32 220   M    M   8        46 210
26  72  52  62  22   3   0 0.00  0.0    0  3.4 13 220   M    M   3 12     16 220
27  68  50  59  19   6   0 0.00  0.0    0 12.1 23 230   M    M   9        38 220
28  74  60  67  27   0   2 0.06  0.0    0 13.4 29 220   M    M   9 1      41 190
29  67  56  62  22   3   0 1.21  0.0    0 11.1 25 330   M    M  10 13     36 320
30  65  53  59  19   6   0 0.00  0.0    0  3.8 10 280   M    M   8 12     13 280
31  60  50  55  15  10   0 0.03  0.0    0  1.5 10 320   M    M   9 12     12 320
================================================================================
SM 1895 1259       432   2  3.52  0.0    202.4          M      198
================================================================================
AV 61.1 40.6                               6.5 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    40 270                 62 270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   KNOXVILLE MCGHEE TYSON AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   35 49 N
                                          LONGITUDE:  83 59 W

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

AVERAGE MONTHLY: 50.9   TOTAL FOR MONTH:   3.52    1 = FOG OR MIST
DPTR FM NORMAL:   9.0   DPTR FM NORMAL:   -1.48    2 = FOG REDUCING VISIBILITY
HIGHEST:    74 ON 28    GRTST 24HR  1.23 ON 28-29      TO 1/4 MILE OR LESS
LOWEST:     25 ON 23                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    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:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:  10    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   432    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL  -284    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  1140    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL  -261

[CDD (BASE 65) ]
TOTAL THIS MO.     2
DPTR FM NORMAL     2    [PRESSURE DATA]
TOTAL FM JAN 1  1635    HIGHEST SLP 30.51 ON 14
DPTR FM NORMAL    63    LOWEST  SLP 29.73 ON 28

[REMARKS]
#FINAL-12-21#


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