WFO Monthly/Daily Climate Data
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CXUS56 KTFX 271110
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PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     MAY
                                          YEAR:      2020
                                          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  64  40  52   3  13   0 0.00  0.0    0  9.6 22 280   M    M   1        27 300
 2  70  34  52   2  13   0    T  0.0    0  6.3 36 240   M    M   1        47 240
 3  60  42  51   1  14   0 0.00  0.0    0 12.5 33 260   M    M   5        42 250
 4  60  36  48  -2  17   0 0.00  0.0    0 11.6 29 280   M    M   1        38 270
 5  70  31  51   0  14   0 0.00  0.0    0  4.8 15 120   M    M   0        18 120
 6  66  41  54   3  11   0    T  0.0    0 10.4 39 260   M    M   5        48 270
 7  57  38  48  -3  17   0 0.00  0.0    0 11.0 29 270   M    M   6        36 270
 8  60  36  48  -4  17   0 0.04  0.0    0  7.7 25  10   M    M   8 1      30  10
 9  61  36  49  -3  16   0 0.00  0.0    0  5.6 17  10   M    M   2        20  10
10  55  40  48  -4  17   0 0.00  0.0    0  9.1 17  10   M    M   9        21 360
11  45  39  42 -11  23   0 0.03    T    0  7.9 16  70   M    M   6        18  80
12  54  37  46  -7  19   0 0.02  0.0    0  2.8 10 300   M    M   3        10 300
13  64  38  51  -2  14   0 0.02  0.0    0 13.7 31 260   M    M   3        44 260
14  68  39  54   0  11   0 0.00  0.0    0 10.0 20 250   M    M   1        29 250
15  50  43  47  -7  18   0 0.10  0.0    0  6.4 23 240   M    M   4        23 240
16  69  36  53  -1  12   0 0.00  0.0    0  5.5 17 160   M    M   2        23 150
17  77  42  60   6   5   0 0.00  0.0    0  6.3 23 170   M    M   2        28 170
18  78  51  65  10   0   0 0.09  0.0    0  6.8 32 270   M    M   4 3      41 250
19  70  48  59   4   6   0 0.75  0.0    0  9.8 23 320   M    M   6 138    28 320
20  66  45  56   1   9   0 0.46  0.0    0  9.6 25 230   M    M   8 13     33 250
21  64  43  54  -2  11   0 0.06  0.0    0 13.3 26 270   M    M   8        35 240
22  61  39  50  -6  15   0    T  0.0    0 10.5 23 270   M    M   3        30 310
23  58  43  51  -5  14   0    T  0.0    0  8.3 13 260   M    M   7        20 280
24  68  43  56   0   9   0 0.00  0.0    0  7.5 16 290   M    M   6         M   M
25  73  40  57   0   8   0 0.00  0.0    0  7.6 24 270   M    M   2        30 280
26  74  52  63   6   2   0 0.00  0.0    0 12.3 30 260   M    M   7        36 250
================================================================================
SM 1662 1052       325   0  1.57    T    226.9          M      110
================================================================================
AV 63.9 40.5                               8.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    39 260                 48 270
================================================================================
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:      2020
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 52.2   TOTAL FOR MONTH:   1.57    1 = FOG OR MIST
DPTR FM NORMAL:  -1.1   DPTR FM NORMAL:    0.09    2 = FOG REDUCING VISIBILITY
HIGHEST:    78 ON 18    GRTST 24HR  0.93 ON 19-20      TO 1/4 MILE OR LESS
LOWEST:     31 ON  5                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  T            5 = HAIL
                        GRTST 24HR   T   ON 11-11  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:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   325    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL    14    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  7086    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -279

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     1    HIGHEST SLP M ON M
DPTR FM NORMAL     1    LOWEST  SLP 29.59 ON 18

[REMARKS]


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