WFO Monthly/Daily Climate Data
Issued by NWS

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000
CXUS56 KTFX 161021
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     JANUARY
                                          YEAR:      2017
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 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  16   2   9 -12  56   0 0.07  1.8    4  7.8 18 320   M    M   8 189    22 320
 2   8  -4   2 -19  63   0 0.01    T    5  7.9 12 270   M    M   7 8      14 260
 3   4  -7  -1 -22  66   0    T    T    5  2.1  8 270   M    M  10 18     10 270
 4   6  -8  -1 -22  66   0 0.00  0.0    5  2.0 10 250   M    M   7        12 270
 5   0 -16  -8 -30  73   0 0.00  0.0    5  1.7  8 300   M    M   3 18      9 300
 6   8  -6   1 -21  64   0 0.00  0.0    5  1.0  6 330   M    M   5 8       6 320
 7   8 -10  -1 -23  66   0 0.09  1.0    6  1.0  6 240   M    M   2 18      7 240
 8  14   5  10 -12  55   0 0.12  1.5    6  1.1  6  40   M    M   8 18      7  40
 9  34  13  24   2  41   0 0.08  2.0    7  4.5 16  90   M    M   5 18     19 220
10  25   0  13  -9  52   0 0.07  1.5    7  7.1 21 320   M    M   7 18     26 320
11   5  -6   0 -22  65   0    T    T    8  3.4  9 270   M    M   9 8      10 260
12   7 -12  -2 -25  67   0 0.00  0.0    8  1.7  8  30   M    M   4 18      9  30
13   9 -13  -2 -25  67   0 0.00  0.0    8  0.9  5 200   M    M   0 18      6 360
14   5 -13  -4 -27  69   0 0.00  0.0    8  1.0  5 360   M    M   0 18      6  10
15   7 -10  -1 -24  66   0 0.00  0.0    8  0.8  8 210   M    M   0 18      9 210
================================================================================
SM  156  -85       936   0  0.44     7.8  44.0          M       75
================================================================================
AV 10.4 -5.7                               2.9 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 21 320               # 26  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:  HELENA MT
                                          MONTH:    JANUARY
                                          YEAR:     2017
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY:  2.4   TOTAL FOR MONTH:   0.44    1 = FOG OR MIST
DPTR FM NORMAL: -19.6   DPTR FM NORMAL:    0.25    2 = FOG REDUCING VISIBILITY
HIGHEST:    34 ON  9    GRTST 24HR  0.18 ON  7- 8      TO 1/4 MILE OR LESS
LOWEST:    -16 ON  5                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.8 INCHES  5 = HAIL
                        GRTST 24HR   2.0 ON  9- 9  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   8 ON 15,14  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:  14    0.01 INCH OR MORE:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:  12    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   936    CLEAR  (SCALE 0-3)   5
DPTR FM NORMAL   291    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1  3953    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL    87

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.47 ON  9

[REMARKS]



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