WFO Monthly/Daily Climate Data
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CXUS56 KTFX 201205
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     APRIL
                                          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  40  14  27 -14  38   0 0.08  0.3    T  2.3  7 270   M    M   4 12     10 110
 2  33  13  23 -18  42   0 0.12  1.5    T 10.3 26 310   M    M   9 128    29 320
 3  40  10  25 -17  40   0    T    T    1  3.7 12 130   M    M   6 1      14 120
 4  51  27  39  -3  26   0    T    T    0  8.3 23 250   M    M   6        32 260
 5  41  18  30 -12  35   0 0.18  1.5    1 10.8 22 360   M    M  10 18     27 350
 6  29  14  22 -20  43   0 0.17  1.5    3  4.8 12 300   M    M   8 18     14 320
 7  43  20  32 -11  33   0 0.06    T    1  3.3 24 270   M    M   5 1      30 280
 8  54  32  43   0  22   0    T  0.0    0 10.9 31 280   M    M   5 8      41 250
 9  57  38  48   5  17   0 0.00  0.0    0 12.7 28 260   M    M   2        34 280
10  57  29  43   0  22   0 0.00  0.0    0  3.6 15 250   M    M   3        18 280
11  59  37  48   4  17   0 0.05  0.0    0  8.6 21 250   M    M   5        25 260
12  41  31  36  -8  29   0 0.44  1.3    0  7.7 25 270   M    M   9 128    33 250
13  50  32  41  -3  24   0 0.00  0.0    1 15.4 26 260   M    M   4        35 270
14  59  35  47   3  18   0 0.00  0.0    0  6.4 20 280   M    M   8        26 250
15  61  32  47   2  18   0 0.06  0.0    0  4.6 18 180   M    M   4 1      27 200
16  51  37  44  -1  21   0 0.23  0.0    0  8.4 24 270   M    M   7 1      29 270
17  50  34  42  -3  23   0 0.00  0.0    0 12.3 30 280   M    M   5        36 270
18  53  26  40  -6  25   0 0.00  0.0    0  4.6 14 100   M    M   0        17  80
19  62  30  46   0  19   0 0.00  0.0    0  5.5 16 360   M    M   2        18  10
================================================================================
SM  931  509       512   0  1.39     6.1 144.2          M      102
================================================================================
AV 49.0 26.8                               7.6 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 31 280               # 41  250
================================================================================
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:    APRIL
                                          YEAR:     2018
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 37.9   TOTAL FOR MONTH:   1.39    1 = FOG OR MIST
DPTR FM NORMAL:  -5.5   DPTR FM NORMAL:    0.81    2 = FOG REDUCING VISIBILITY
HIGHEST:    62 ON 19    GRTST 24HR  0.44 ON 12-12      TO 1/4 MILE OR LESS
LOWEST:     10 ON  3                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   6.1 INCHES  5 = HAIL
                        GRTST 24HR   1.5 ON  6- 6  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON  6     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:   1    0.01 INCH OR MORE:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  14    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   512    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   102    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  7512    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL   650

[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 29.37 ON 16

[REMARKS]



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