WFO Monthly/Daily Climate Data
Issued by NWS

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000
CXUS56 KTFX 271205
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     MAY
                                          YEAR:      2018
                                          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  56  38  47  -2  18   0 0.12  0.0    0  6.6 23 340   M    M   9        29 330
 2  62  36  49  -1  16   0    T  0.0    0  9.2 23 290   M    M   5        31 300
 3  71  43  57   7   8   0 0.00  0.0    0  8.9 23 280   M    M   2        28 290
 4  77  42  60  10   5   0 0.00  0.0    0  5.6 22 290   M    M   0        30 260
 5  72  50  61  10   4   0 0.00  0.0    0  5.4 25 240   M    M   3 8      32 240
 6  78  44  61  10   4   0 0.14  0.0    0  6.4 26 210   M    M   3 3      35 210
 7  65  43  54   3  11   0 0.03  0.0    0 11.5 24 300   M    M   5        30 260
 8  77  44  61   9   4   0 0.00  0.0    0  6.9 17 280   M    M   1        23 280
 9  71  45  58   6   7   0 0.53  0.0    0  5.8 37 260   M    M   4 13     45 270
10  66  46  56   4   9   0 0.29  0.0    0  9.6 29 250   M    M   5 13     36 260
11  48  41  45  -8  20   0 0.30  0.0    0 13.1 22 340   M    M  10 1      28 330
12  62  42  52  -1  13   0 0.00  0.0    0  5.7 14 320   M    M   8        17 330
13  61  37  49  -4  16   0 0.00  0.0    0  5.8 17 180   M    M   5        23 190
14  75  42  59   5   6   0 0.01  0.0    0  3.0  9  50   M    M   1        12  60
15  78  46  62   8   3   0 0.00  0.0    0  5.0 17 100   M    M   0        21 110
16  77  47  62   8   3   0 0.15  0.0    0  5.1 20 250   M    M   2        24 240
17  66  48  57   3   8   0 0.00  0.0    0  9.4 21 350   M    M   9        27 350
18  49  44  47  -8  18   0 0.31  0.0    0 10.9 20 340   M    M  10 1      23 340
19  58  44  51  -4  14   0 0.08  0.0    0  3.5  8 340   M    M   8 1      11  50
20  73  38  56   1   9   0 0.00  0.0    0  4.0 15 280   M    M   1        18 290
21  69  49  59   3   6   0    T  0.0    0  3.8 18 240   M    M   6        26 250
22  71  52  62   6   3   0 0.00  0.0    0  4.3 18  30   M    M   4 3      21  30
23  67  47  57   1   8   0 0.01  0.0    0  2.5 13  60   M    M   4        15  60
24  77  48  63   7   2   0 0.00  0.0    0  9.4 26 290   M    M   3        33 270
25  81  50  66   9   0   1 0.02  0.0    0  6.6 28 160   M    M   1 3      35 150
26  76  52  64   7   1   0    T  0.0    0  6.9 23 250   M    M   1        29 250
================================================================================
SM 1783 1158       216   1  1.99     0.0 174.9          M      110
================================================================================
AV 68.6 44.5                               6.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 37 260               # 45  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:     2018
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 56.6   TOTAL FOR MONTH:   1.99    1 = FOG OR MIST
DPTR FM NORMAL:   3.2   DPTR FM NORMAL:    0.51    2 = FOG REDUCING VISIBILITY
HIGHEST:    81 ON 25    GRTST 24HR  0.53 ON  9- 9      TO 1/4 MILE OR LESS
LOWEST:     36 ON  2                               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:   7
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   216    CLEAR  (SCALE 0-3)  10
DPTR FM NORMAL   -95    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  7886    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL   521

[CDD (BASE 65) ]
TOTAL THIS MO.     1
DPTR FM NORMAL     1    [PRESSURE DATA]
TOTAL FM JAN 1     1    HIGHEST SLP M ON M
DPTR FM NORMAL     1    LOWEST  SLP 29.70 ON 26

[REMARKS]


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