WFO Monthly/Daily Climate Data
Issued by NWS

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CXUS56 KTFX 261205
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     MAY
                                          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  59  41  50   1  15   0 0.00  0.0    0 11.0 23 270   M    M   8        29 270
 2  56  42  49  -1  16   0    T  0.0    0 14.6 26 290   M    M   6 8      32 280
 3  72  31  52   2  13   0 0.00  0.0    0  7.9 25 300   M    M   1        31 300
 4  81  42  62  12   3   0 0.00  0.0    0  6.9 17  90   M    M   0        21  90
 5  87  46  67  16   0   2 0.00  0.0    0  7.0 23 290   M    M   0        28 290
 6  81  57  69  18   0   4 0.01  0.0    0  7.1 35 190   M    M   2 3      48 200
 7  60  42  51   0  14   0 0.14  0.0    0  8.1 17 320   M    M   6 1      23 280
 8  65  32  49  -3  16   0 0.00  0.0    0  3.3 10 260   M    M   0        13 100
 9  71  40  56   4   9   0 0.00  0.0    0  4.9 15  20   M    M   0        20  20
10  77  40  59   7   6   0 0.00  0.0    0  4.9 17  90   M    M   0        23  70
11  84  45  65  12   0   0 0.02  0.0    0  4.7 20 190   M    M   1 3      29 240
12  86  43  65  12   0   0 0.01  0.0    0 10.2 39 250   M    M   2        47 250
13  50  38  44  -9  21   0 0.01  0.0    0  9.6 24 260   M    M   7        30 260
14  59  34  47  -7  18   0    T  0.0    0  7.1 30 250   M    M   4        35 240
15  61  41  51  -3  14   0 0.00  0.0    0  6.1 20 160   M    M   5        30 160
16  63  34  49  -5  16   0 0.09  0.0    0  5.9 32 240   M    M   3 18     38 250
17  46  39  43 -11  22   0 0.84  0.0    0 10.3 22 250   M    M  10 1      28 240
18  61  41  51  -4  14   0 0.07  0.0    0  5.6 16  90   M    M   7 1      20 100
19  66  35  51  -4  14   0 0.00  0.0    0  5.1 22 270   M    M   2        29 280
20  67  43  55   0  10   0 0.15  0.0    0  4.9 23  60   M    M   5 18     31  50
21  71  40  56   0   9   0 0.00  0.0    0  3.2 13 270   M    M   2 12     19 310
22  75  45  60   4   5   0 0.00  0.0    0  5.6 18  20   M    M   2 8      23  20
23  82  45  64   8   1   0 0.00  0.0    0  4.5 18 100   M    M   0        24 100
24  70  50  60   4   5   0 0.00  0.0    0 18.5 39 270   M    M   3        49 270
25  63  45  54  -3  11   0 0.01  0.0    0 10.6 24  20   M    M   8        30 290
================================================================================
SM 1713 1031       252   6  1.35     0.0 187.6          M       84
================================================================================
AV 68.5 41.2                               7.5 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 39 250               # 49  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:  HELENA MT
                                          MONTH:    MAY
                                          YEAR:     2017
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 54.9   TOTAL FOR MONTH:   1.35    1 = FOG OR MIST
DPTR FM NORMAL:   1.7   DPTR FM NORMAL:   -0.05    2 = FOG REDUCING VISIBILITY
HIGHEST:    87 ON  5    GRTST 24HR  0.84 ON 17-17      TO 1/4 MILE OR LESS
LOWEST:     31 ON  3                               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:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   252    CLEAR  (SCALE 0-3)  13
DPTR FM NORMAL   -50    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  7329    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL   -27

[CDD (BASE 65) ]
TOTAL THIS MO.     6
DPTR FM NORMAL     6    [PRESSURE DATA]
TOTAL FM JAN 1     6    HIGHEST SLP M ON M
DPTR FM NORMAL     6    LOWEST  SLP 29.31 ON 24

[REMARKS]


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