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WFO Monthly/Daily Climate Data
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CXUS56 KTFX 141110
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PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     MAY
                                          YEAR:      2021
                                          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  74  54  64  15   1   0 0.00  0.0    0 13.4 30 340   M    M   1        38 320
 2  54  39  47  -3  18   0 0.04  0.0    0 10.6 23  10   M    M   7        31 310
 3  62  32  47  -3  18   0 0.00  0.0    0  5.5 22 270   M    M   2        28 260
 4  64  45  55   5  10   0 0.00  0.0    0 12.4 26 280   M    M   7        34 280
 5  67  39  53   3  12   0 0.00  0.0    0  6.1 14 320   M    M   3        21 310
 6  78  36  57   6   8   0 0.00  0.0    0  5.1 13  60   M    M   0        19  50
 7  65  43  54   3  11   0 0.11  0.0    0  8.9 26 280   M    M   7        36 270
 8  51  39  45  -7  20   0 0.00  0.0    0 18.4 31 280   M    M   8        46 280
 9  50  39  45  -7  20   0 0.05  0.0    0  7.5 21 270   M    M   9        30 280
10  57  36  47  -5  18   0 0.00  0.0    0  4.7 10 250   M    M   9        12 360
11  63  33  48  -5  17   0 0.03  0.0    0  6.9 28 280   M    M   3 8      37 280
12  67  34  51  -2  14   0 0.00  0.0    0  4.3 15 100   M    M   2        21  80
13  73  46  60   7   5   0 0.00  0.0    0  7.4 23 280   M    M   6        34 310
================================================================================
SM  825  515       172   0  0.23  0.0    111.2          M       64
================================================================================
AV 63.5 39.6                               8.6 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    31 280                 46 280
================================================================================
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:      2021
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 51.5   TOTAL FOR MONTH:   0.23    1 = FOG OR MIST
DPTR FM NORMAL:   0.3   DPTR FM NORMAL:   -0.36    2 = FOG REDUCING VISIBILITY
HIGHEST:    78 ON  6    GRTST 24HR  0.11 ON  7- 7      TO 1/4 MILE OR LESS
LOWEST:     32 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:   4
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   172    CLEAR  (SCALE 0-3)   5
DPTR FM NORMAL    -9    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  6709    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -478

[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 29.68 ON  1

[REMARKS]
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