WFO Monthly/Daily Climate Data
Issued by NWS

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000
CXUS56 KTFX 151205
CF6LWT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   LEWISTOWN MT
                                          MONTH:     DECEMBER
                                          YEAR:      2017
                                          LATITUDE:   47  2 N
                                          LONGITUDE: 109 28 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  47  23  35   9  30   0 0.00    M    0 13.8 28 250   M    M   0        32 260
 2  45  26  36  10  29   0    T    M    0 11.4 26 230   M    M   3        31 220
 3  37  22  30   5  35   0 0.42    M    0  8.6 21 300   M    M  10 12     28 310
 4  22  13  18  -7  47   0    T    M    2  8.1 16 270   M    M   7 1      21 310
 5  34  14  24  -1  41   0 0.00    M    2 14.4 28 330   M    M   5        44 330
 6  31  18  25   1  40   0 0.00    M    2  9.8 20 280   M    M   5        26 310
 7  45  21  33   9  32   0 0.00    M    1 10.1 18 240   M    M   2        22 260
 8  46  25  36  12  29   0 0.00    M    1  9.8 18 250   M    M   0        20 250
 9  45  25  35  11  30   0 0.00    M    T  8.7 20 240   M    M   0        22 230
10  50  31  41  17  24   0 0.00    M    T  8.9 20 220   M    M   0        25 300
11  48  23  36  13  29   0 0.00    M    T  5.2 16 260   M    M   0        17 250
12  57  28  43  20  22   0 0.00    M    0  9.7 22 220   M    M   0        26 290
13  37  27  32   9  33   0 0.00    M    0  9.0 20 300   M    M   3        26 250
14  42  24  33  10  32   0 0.00    M    0  6.9 18 300   M    M   2        24 300
================================================================================
SM  586  320       453   0  0.42    M    134.4          M       37
================================================================================
AV 41.9 22.9                               9.6 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 28 250               # 44  330
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  LEWISTOWN MT
                                          MONTH:    DECEMBER
                                          YEAR:     2017
                                          LATITUDE:   47  2 N
                                          LONGITUDE: 109 28 W

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

AVERAGE MONTHLY: 32.4   TOTAL FOR MONTH:   0.42    1 = FOG OR MIST
DPTR FM NORMAL:   8.1   DPTR FM NORMAL:    0.13    2 = FOG REDUCING VISIBILITY
HIGHEST:    57 ON 12    GRTST 24HR  0.42 ON  3- 3      TO 1/4 MILE OR LESS
LOWEST:     13 ON  4                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    M          5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON  6, 5  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:   1
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:  14    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   453    CLEAR  (SCALE 0-3)   9
DPTR FM NORMAL  -118    PTCLDY (SCALE 4-7)   4
TOTAL FM JUL 1  2427    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -272

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   375    HIGHEST SLP M ON M
DPTR FM NORMAL   165    LOWEST  SLP 29.62 ON  3

[REMARKS]



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