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000
CXUS55 KBYZ 011315
CF6BIL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BILLINGS MT
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   45 47 N
                                          LONGITUDE: 108 32 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  39  23  31   2  34   0    T    T    0 13.9 32 320   M    M   7        41 300
 2  39  18  29   0  36   0 0.00  0.0    0 17.6 24 240   M    M   1        30 240
 3  45  28  37   9  28   0 0.00  0.0    0 23.6 31 240   M    M   0 8      36 240
 4  58  30  44  16  21   0 0.00  0.0    0 15.0 26 240   M    M   1        32 240
 5  55  26  41  13  24   0 0.00  0.0    0 18.5 24 230   M    M   2        30 240
 6  53  30  42  14  23   0 0.00  0.0    0 16.3 23 240   M    M   0        28 230
 7  59  27  43  16  22   0 0.00  0.0    0 20.5 29 240   M    M   3        36 240
 8  64  40  52  25  13   0 0.00  0.0    0 19.7 28 250   M    M   6        33 250
 9  64  35  50  23  15   0 0.00  0.0    0 14.3 23 250   M    M   5        30 240
10  39  24  32   5  33   0    T    T    0  3.9 14  60   M    M   5 1      17  50
11  28  19  24  -3  41   0 0.05  0.6    0  4.6 13  20   M    M   7 1      13  30
12  25  17  21  -5  44   0 0.20  3.0    2  8.3 17 240   M    M   8 18     19 240
13  23  10  17  -9  48   0 0.00  0.0    2  6.7 18 240   M    M   8 1      23 230
14  34  16  25  -1  40   0 0.15  1.7    3  8.7 16 240   M    M   9 1      19 300
15  34  21  28   2  37   0    T    T    3 15.4 24 240   M    M   7        30 240
16  42  28  35   9  30   0 0.00  0.0    3 15.6 24 280   M    M   6        30 270
17  42  26  34   8  31   0 0.00  0.0    2 12.7 24 240   M    M   7        29 250
18  41  30  36  10  29   0 0.00  0.0    2 12.2 23 300   M    M   4        29 310
19  47  33  40  14  25   0 0.00  0.0    1 18.9 35 280   M    M   6        42 270
20  55  35  45  19  20   0    T    T    T 21.4 40 270   M    M   8        54 270
21  43  30  37  11  28   0 0.03    T    0  5.8 15 120   M    M   8 12     16 120
22  56  23  40  14  25   0    T    T    0 20.9 46 320   M    M   5 1      58 320
23  36  16  26   0  39   0 0.00  0.0    0 18.2 31 270   M    M   3        40 260
24  44  25  35   9  30   0 0.00  0.0    0 25.4 36 270   M    M   4        43 290
25  50  32  41  15  24   0 0.00  0.0    0 14.8 29 250   M    M   4        35 260
26  48  32  40  14  25   0 0.00  0.0    0 11.1 20 290   M    M   7        23 250
27  43  22  33   7  32   0    T    T    0  9.0 26 300   M    M   8 1      34 320
28  31  20  26   0  39   0 0.00  0.0    0  4.3 17 240   M    M   5 128    21 240
29  38  19  29   3  36   0 0.00  0.0    0 11.2 20 240   M    M   3        23 330
30  42  18  30   4  35   0 0.00  0.0    0 16.6 25 240   M    M   5        31 240
31  47  29  38  12  27   0 0.00  0.0    0 14.7 22 240   M    M   4        27 250
================================================================================
SM 1364  782       934   0  0.43  5.3    439.8          M      156
================================================================================
AV 44.0 25.2                              14.2 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    46 320                 58 320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   BILLINGS MT
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   45 47 N
                                          LONGITUDE: 108 32 W

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

AVERAGE MONTHLY: 34.6   TOTAL FOR MONTH:   0.43    1 = FOG OR MIST
DPTR FM NORMAL:   8.1   DPTR FM NORMAL:   -0.07    2 = FOG REDUCING VISIBILITY
HIGHEST:    64 ON  9, 8  GRTST 24HR  0.25 ON 11-12      TO 1/4 MILE OR LESS
LOWEST:     10 ON 13                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   5.3 INCHES  5 = HAIL
                        GRTST 24HR   3.0 ON 12-12  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON 16,15  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:   4    0.01 INCH OR MORE:   4
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  27    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   934    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL  -259    PTCLDY (SCALE 4-7)  19
TOTAL FM JUL 1  2489    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -323

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   761    HIGHEST SLP 30.67 ON  2
DPTR FM NORMAL   125    LOWEST  SLP 29.40 ON 22

[REMARKS]
#FINAL-12-20#