WFO Monthly/Daily Climate Data
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CXUS56 KTFX 011612
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     FEBRUARY
                                          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  46  19  33   8  32   0 0.00  0.0    0  3.3  8 260   M    M   1        11 270
 2  58  23  41  15  24   0 0.05    T    0  7.7 25 270   M    M   4 1      38 280
 3  41  25  33   7  32   0 0.00  0.0    0  8.9 21 250   M    M   2        27 260
 4  36  29  33   7  32   0 0.00  0.0    0 12.8 26 270   M    M   7        45 240
 5  41   5  23  -3  42   0 0.04  1.4    T  8.7 33 290   M    M  10 1      47 330
 6  16   0   8 -18  57   0 0.26  3.5    2  5.6 20 310   M    M   9 8      26 300
 7   4 -10  -3 -29  68   0 0.08  1.5    4  5.4 16 300   M    M   7 8      20 290
 8   0  -8  -4 -30  69   0 0.07  1.8    5  7.8 15 320   M    M  10 8      18 320
 9  -2  -8  -5 -31  70   0 0.06  1.7    7  4.4 13 340   M    M  10 8      16 340
10  -2 -12  -7 -34  72   0 0.04  1.1    6  7.4 15 310   M    M  10 8      18 350
11  -9 -16 -12 -39  77   0 0.03  0.2    5  9.5 14 280   M    M  10 8      18 280
12   2 -20  -9 -36  74   0 0.00  0.0    5  2.8  9 290   M    M   4        11 270
13   4 -23  -9 -36  74   0 0.00  0.0    5  3.5 12 270   M    M   2        15 260
14   4 -12  -4 -31  69   0 0.02  0.2    5  1.7  8 280   M    M   9 8       9 280
15  15   2   9 -19  56   0 0.02  0.5    5  1.2  8 220   M    M   9 18      8 220
16  34  13  24  -4  41   0    T    T    5  4.6 21 270   M    M  10 18     28 270
17  29  14  22  -6  43   0 0.05  0.9    5  5.5 13 350   M    M   9 8       M   M
18  25  11  18 -10  47   0 0.00  0.0    4  3.5 13 120   M    M   4        17 120
19  41  17  29   1  36   0    T    T    4  5.0 24 290   M    M   8        33 290
20  38  22  30   1  35   0    T    T    4 10.6 26 250   M    M   5        37 240
21  42  30  36   7  29   0 0.00  0.0    4 14.8 36 270   M    M   6        50 270
22  50  36  43  14  22   0 0.11  0.0    3 10.8 30 270   M    M   6 1      43 270
23  41  25  33   3  32   0 0.02    T    0 19.3 41 280   M    M   3 1      60 240
24  37  22  30   0  35   0 0.00  0.0    0  8.6 22 250   M    M   4        32 260
25  41  17  29  -1  36   0 0.00  0.0    0  7.6 23 250   M    M   4        36 240
26  39  28  34   4  31   0 0.00  0.0    0 10.1 22 270   M    M   5        31 280
27  33  20  27  -4  38   0 0.02  0.3    0  7.0 18 260   M    M   6 8      25 250
28  39  22  31   0  34   0 0.00  0.0    T 14.0 29 280   M    M   4        41 250
================================================================================
SM  743  271      1307   0  0.87 13.1    212.1          M      178
================================================================================
AV 26.5  9.7                               7.6 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    41 280                 60 240
================================================================================
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:     FEBRUARY
                                          YEAR:      2021
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 18.1   TOTAL FOR MONTH:   0.87    1 = FOG OR MIST
DPTR FM NORMAL:  -9.6   DPTR FM NORMAL:    0.57    2 = FOG REDUCING VISIBILITY
HIGHEST:    58 ON  2    GRTST 24HR  0.32 ON  6- 7      TO 1/4 MILE OR LESS
LOWEST:    -23 ON 13                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  13.1 INCHES  5 = HAIL
                        GRTST 24HR   3.5 ON  6- 6  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   7 ON  9     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:  12    0.01 INCH OR MORE:  14
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  27    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   9    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1307    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL   264    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  5143    CLOUDY (SCALE 8-10) 10
DPTR FM NORMAL  -419

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.82 ON 11
DPTR FM NORMAL     0    LOWEST  SLP 29.66 ON 26

[REMARKS]
#FINAL-02-21#


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