WFO Monthly/Daily Climate Data
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CXUS56 KTFX 161542
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HELENA MT
                                          MONTH:     DECEMBER
                                          YEAR:      2023
                                          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  38  23  31   4  34   0 0.00  0.0    0  3.0 16 250   M    M   7        23 260
 2  43  32  38  11  27   0    T    T    0 12.7 30 250   M    M   5 8      42 270
 3  49  30  40  14  25   0 0.00  0.0    0  5.6 21 280   M    M   4        35 260
 4  51  40  46  20  19   0 0.00  0.0    0  8.0 25 290   M    M   6        34 290
 5  64  39  52  26  13   0 0.00  0.0    0  8.8 23 190   M    M   7        34 190
 6  61  36  49  23  16   0 0.00  0.0    0  6.0 21 170   M    M   1        29 170
 7  51  29  40  15  25   0    T  0.0    0 10.6 26 260   M    M   5        36 270
 8  41  26  34   9  31   0 0.00  0.0    0 11.7 25 290   M    M   8        32 290
 9  38  26  32   7  33   0 0.00  0.0    0  7.2 17 210   M    M   2        27 180
10  45  26  36  12  29   0 0.00  0.0    0  3.3 13  40   M    M   8        22  30
11  39  29  34  10  31   0 0.03  0.1    0  4.5 12 270   M    M   9 18     16 340
12  31  22  27   3  38   0    T    T    0  1.4  7 260   M    M   9 128     8  10
13  33  13  23  -1  42   0 0.00  0.0    0  1.3  6 230   M    M   4 128     7 330
14  32  10  21  -2  44   0 0.00  0.0    0  1.5  6 300   M    M   1 18      7 310
15  37  16  27   4  38   0 0.00  0.0    0  1.8  7 260   M    M   0         8 270
16  43  20  32   9  33   0 0.00  0.0    0  2.5 14  40   M    M   0        18  40
17  46  22  34  11  31   0 0.00  0.0    0  2.5 12 250   M    M   0        14 250
18  37  21  29   7  36   0 0.00  0.0    0  0.5  7 100   M    M   3         8 100
19  49  26  38  16  27   0 0.00  0.0    0  1.9  7 190   M    M   6        14 300
20  49  24  37  15  28   0 0.00  0.0    0  1.4  9 190   M    M   2        11 200
21  50  29  40  18  25   0 0.00  0.0    0  2.0  8 180   M    M   3        10 220
22  50  25  38  16  27   0 0.00  0.0    0  1.8  8 290   M    M   1        10 260
23  44  25  35  13  30   0    T  0.5    T 10.7 23 280   M    M   9 1      32 290
24  32  14  23   1  42   0 0.00  0.0    T  2.3 10 100   M    M   1        14 130
25  30   9  20  -2  45   0 0.00  0.0    0  1.4  8 270   M    M   1 128     9 250
26  24   5  15  -7  50   0    T    T    0  1.2  8 270   M    M   3         9 270
27  30   9  20  -2  45   0 0.00  0.0    0  1.3  7 290   M    M   3 128     8 280
28  40  18  29   7  36   0 0.00  0.0    0  1.3  7 250   M    M   2         9  50
29  38  18  28   6  37   0 0.00  0.0    0  1.4  7 250   M    M   2         9 300
30  37  14  26   4  39   0 0.00  0.0    0  0.4  6 120   M    M   2 128     7 120
31  39  17  28   6  37   0 0.00  0.0    0  1.0  7 240   M    M   1 1       7 260
================================================================================
SM 1291  693      1013   0  0.03  0.6    121.0          M      115
================================================================================
AV 41.6 22.4                               3.9 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    30 250                 42 270
================================================================================
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:     DECEMBER
                                          YEAR:      2023
                                          LATITUDE:   46 35 N
                                          LONGITUDE: 112  0 W

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

AVERAGE MONTHLY: 32.0   TOTAL FOR MONTH:   0.03    1 = FOG OR MIST
DPTR FM NORMAL:   8.6   DPTR FM NORMAL:   -0.43    2 = FOG REDUCING VISIBILITY
HIGHEST:    64 ON  5    GRTST 24HR  0.03 ON 11-11      TO 1/4 MILE OR LESS
LOWEST:      5 ON 26                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.6 INCH    5 = HAIL
                        GRTST 24HR   0.5 ON 23-23  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  T            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:   6    0.01 INCH OR MORE:   1
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:  28    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1013    CLEAR  (SCALE 0-3)  16
DPTR FM NORMAL  -277    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  2574    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -556

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   588    HIGHEST SLP 30.64 ON 15
DPTR FM NORMAL   155    LOWEST  SLP 29.51 ON  7

[REMARKS]
#FINAL-12-23#


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