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542
CXUS56 KTFX 011110
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     APRIL
                                          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  21  13  17 -24  48   0    T    T    2 10.4 16 350   M    M  10 1      22 320
 2  37  13  25 -16  40   0    T    T    1  4.3 13 300   M    M   7        15 290
 3  44  19  32 -10  33   0    T    T    0  4.3 18 300   M    M   6        22 300
 4  47  30  39  -3  26   0 0.01  0.3    T  7.5 15  90   M    M   5 1      21 270
 5  60  27  44   2  21   0 0.00  0.0    0  3.1 16 190   M    M   7        22 190
 6  62  33  48   6  17   0 0.00  0.0    0  7.9 23 290   M    M   2        31 290
 7  63  36  50   7  15   0 0.00  0.0    0 12.5 29 270   M    M   0        40 260
 8  62  27  45   2  20   0 0.00  0.0    0  6.0 21 340   M    M   0        24 340
 9  68  30  49   6  16   0 0.00  0.0    0  6.4 20 290   M    M   0        23 290
10  70  34  52   9  13   0 0.00  0.0    0  7.6 24 360   M    M   4        31 280
11  43  21  32 -12  33   0 0.34  2.8    1 12.4 24 350   M    M  10 12     29 330
12  31  13  22 -22  43   0 0.00  0.0    2  7.9 17  20   M    M   3        21 340
13  37  16  27 -17  38   0 0.00  0.0    T  4.5 18  10   M    M   7        22 360
14  50  25  38  -6  27   0    T    T    0 11.6 26 250   M    M   9        34 260
15  40  26  33 -12  32   0 0.10  0.4    T 12.8 32 360   M    M   8 18     41 360
16  45  21  33 -12  32   0 0.00  0.0    T  5.8 15 310   M    M   3        19 310
17  62  23  43  -2  22   0 0.00  0.0    0  9.4 25 270   M    M   0        34 280
18  54  30  42  -4  23   0 0.00  0.0    0  7.1 18  10   M    M   5        24  10
19  61  31  46   0  19   0 0.00  0.0    0  6.7 25 260   M    M   5        31 270
20  66  32  49   3  16   0 0.00  0.0    0  8.7 22 280   M    M   0        27 280
21  69  44  57  11   8   0 0.00  0.0    0 12.1 28 280   M    M   0        36 280
22  64  45  55   8  10   0 0.00  0.0    0 11.1 28 280   M    M   2 8      34 280
23  60  45  53   6  12   0 0.01  0.0    0 13.5 30 280   M    M   6        37 280
24  61  39  50   3  15   0 0.00  0.0    0 10.9 22 300   M    M   4        30 290
25  67  33  50   2  15   0    T  0.0    0  7.2 23 260   M    M   5        30 290
26  68  44  56   8   9   0 0.00  0.0    0 10.4 25 280   M    M   1        33 280
27  67  42  55   7  10   0    T  0.0    0 13.5 32 270   M    M   3        44 250
28  69  42  56   8   9   0 0.00  0.0    0 11.5 32 300   M    M   1        41 300
29  83  49  66  17   0   1 0.00  0.0    0  7.1 20 300   M    M   1        26 110
30  70  46  58   9   7   0 0.26  0.0    0  8.0 36 260   M    M   5 3      44 250
================================================================================
SM 1701  929       629   1  0.72  3.5    262.2          M      119
================================================================================
AV 56.7 31.0                               8.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    36 260               # 44 250
================================================================================
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:      2020
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 43.8   TOTAL FOR MONTH:   0.72    1 = FOG OR MIST
DPTR FM NORMAL:  -1.1   DPTR FM NORMAL:   -0.26    2 = FOG REDUCING VISIBILITY
HIGHEST:    83 ON 29    GRTST 24HR  0.37 ON 31- 1      TO 1/4 MILE OR LESS
LOWEST:     13 ON 12, 2                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   6.2 INCHES  5 = HAIL
                        GRTST 24HR   2.8 ON 11-11  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 12, 1  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:   2    0.01 INCH OR MORE:   5
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  17    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   629    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL    27    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  6761    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL  -293

[CDD (BASE 65) ]
TOTAL THIS MO.     1
DPTR FM NORMAL     1    [PRESSURE DATA]
TOTAL FM JAN 1     1    HIGHEST SLP 30.49 ON 16
DPTR FM NORMAL     1    LOWEST  SLP 29.61 ON  5

[REMARKS]
#FINAL-04-20#