WFO Monthly/Daily Climate Data
Issued by NWS

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CXUS56 KTFX 061110
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     MAY
                                          YEAR:      2025
                                          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  68  36  52   3  13   0 0.00  0.0    0  3.8 13  60   M    M   1        21  10
 2  81  37  59   9   6   0 0.00  0.0    0  4.5 20  50   M    M   0        28 260
 3  82  42  62  12   3   0 0.00  0.0    0  4.4 17 260   M    M   0        22 260
 4  70  42  56   6   9   0 0.71  0.0    0 12.9 25 350   M    M   5 13     33  10
 5  50  39  45  -5  20   0 0.39  0.0    0  8.4 20 360   M    M   9 1      25 340
================================================================================
SM  351  196        51   0  1.10  0.0     34.0          M       15
================================================================================
AV 70.2 39.2                               6.8 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    25 350                 33  10
================================================================================
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:      2025
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 54.7   TOTAL FOR MONTH:   1.10    1 = FOG OR MIST
DPTR FM NORMAL:   4.9   DPTR FM NORMAL:    0.91    2 = FOG REDUCING VISIBILITY
HIGHEST:    82 ON  3    GRTST 24HR  1.10 ON  4- 5      TO 1/4 MILE OR LESS
LOWEST:     36 ON  1                               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:   2
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
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.    51    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -25    PTCLDY (SCALE 4-7)   1
TOTAL FM JUL 1  6357    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -725

[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 29.62 ON  3

[REMARKS]