WFO Monthly/Daily Climate Data
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CXUS56 KTFX 011110
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     SEPTEMBER
                                          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  82  55  69   5   0   4 0.00  0.0    0 17.4 33 280   M    M   0        45 280
 2  89  56  73  10   0   8 0.00  0.0    0 12.3 35 270   M    M   1 8      49 260
 3  90  45  68   5   0   3 0.00  0.0    0  6.8 23 250   M    M   0        30 250
 4  92  51  72  10   0   7 0.00  0.0    0  4.3 14 100   M    M   0        26  70
 5  99  54  77  15   0  12 0.00  0.0    0  5.7 24 300   M    M   0        32 330
 6  90  58  74  12   0   9 0.00  0.0    0  7.6 24 300   M    M   0        32 320
 7  60  39  50 -11  15   0 0.15  0.0    0 12.1 24 330   M    M   8        33 340
 8  58  33  46 -15  19   0 0.00  0.0    0  4.1 12 100   M    M   2        19 240
 9  71  40  56  -4   9   0 0.00  0.0    0  3.0 10 260   M    M   3        14 240
10  81  40  61   1   4   0 0.00  0.0    0  2.1 10 240   M    M   0        14  40
11  86  44  65   5   0   0 0.00  0.0    0  3.1 12 250   M    M   0        14 240
12  90  50  70  11   0   5 0.00  0.0    0  3.5 13 290   M    M   0        17  90
13  77  51  64   5   1   0 0.00  0.0    0  2.6  9 240   M    M   0 8      12 330
14  73  45  59   1   6   0 0.00  0.0    0  1.2  7 250   M    M   1 8       9 340
15  82  48  65   7   0   0 0.00  0.0    0  3.1 16 340   M    M   9 8      22 340
16  74  44  59   1   6   0 0.00  0.0    0  3.0 12 270   M    M   0 8      15 270
17  78  43  61   4   4   0 0.00  0.0    0  2.4 10 250   M    M   0 8      13 260
18  77  47  62   5   3   0 0.00  0.0    0  1.3 10 270   M    M   0 8      14 230
19  70  56  63   7   2   0 0.10  0.0    0  8.9 21 260   M    M   8 18     31 300
20  72  50  61   5   4   0 0.00  0.0    0 11.0 24 260   M    M   5        34 280
21  78  41  60   4   5   0 0.00  0.0    0  3.8 13 250   M    M   0        16  70
22  74  43  59   4   6   0 0.00  0.0    0  3.8 13  20   M    M   1        16  30
23  77  47  62   7   3   0 0.00  0.0    0  1.6  7 260   M    M   0 8       9 350
24  68  47  58   4   7   0 0.00  0.0    0 11.7 35 280   M    M   2        46 280
25  63  38  51  -3  14   0 0.00  0.0    0  6.7 25 260   M    M   2        36 270
26  63  47  55   1  10   0    T  0.0    0 16.6 31 290   M    M   3        46 290
27  63  41  52  -1  13   0 0.00  0.0    0 12.7 25 270   M    M   2        35 300
28  73  36  55   2  10   0 0.00  0.0    0  7.1 23 270   M    M   0        31 270
29  82  41  62  10   3   0 0.00  0.0    0  7.8 22 260   M    M   0        32 250
30  70  44  57   5   8   0 0.00  0.0    0  6.8 15 310   M    M   0        20 320
================================================================================
SM 2302 1374       152  48  0.25  0.0    194.1          M       47
================================================================================
AV 76.7 45.8                               6.5 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 35 270                 49 260
================================================================================
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:     SEPTEMBER
                                          YEAR:      2020
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 61.3   TOTAL FOR MONTH:   0.25    1 = FOG OR MIST
DPTR FM NORMAL:   3.5   DPTR FM NORMAL:   -0.85    2 = FOG REDUCING VISIBILITY
HIGHEST:    99 ON  5    GRTST 24HR  0.15 ON  7- 7      TO 1/4 MILE OR LESS
LOWEST:     33 ON  8                               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:   5    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   152    CLEAR  (SCALE 0-3)  26
DPTR FM NORMAL   -85    PTCLDY (SCALE 4-7)   2
TOTAL FM JUL 1   171    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -137

[CDD (BASE 65) ]
TOTAL THIS MO.    48
DPTR FM NORMAL    25    [PRESSURE DATA]
TOTAL FM JAN 1   506    HIGHEST SLP 30.65 ON  8
DPTR FM NORMAL   100    LOWEST  SLP 29.71 ON 24

[REMARKS]
#FINAL-09-20#


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