January Statistics Released for January 2010

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC – http://www.ncdc.noaa.gov.

WFO Monthly/Daily Climate Data


PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GREAT FALLS MT
                                          MONTH:     JANUARY
                                          YEAR:      2010
                                          LATITUDE:   47 28 N
                                          LONGITUDE: 111 22 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  43   4  24   2  41   0 0.02  0.4    1  7.5 30 220   M    M   4 8      37 210
 2  47  30  39  17  26   0 0.00  0.0    1 18.3 36 240   M    M   1        44 240
 3  43  22  33  11  32   0 0.00  0.0    T  9.8 20 220   M    M   2        22 210
 4  30  14  22   0  43   0 0.25  3.0    0  5.5 14 350   M    M   8 18     18 340
 5  14   5  10 -11  55   0 0.20  2.6    4  6.4 16 330   M    M  10 8      20 330
 6  10 -12  -1 -22  66   0 0.07  1.3    7  7.8 14 200   M    M   7 8      16 320
 7  20 -14   3 -18  62   0 0.00  0.0    6  7.3 24 210   M    M   0 8      28 210
 8  36  18  27   6  38   0 0.00  0.0    5 22.9 33 210   M    M   0 8      38 210
 9  42  31  37  16  28   0 0.00  0.0    4 21.0 31 220   M    M   1        36 220
10  45  36  41  20  24   0 0.00  0.0    2 15.9 25 220   M    M   0        29 220
11  53  37  45  24  20   0 0.00  0.0    T 17.5 28 210   M    M   0        33 210
12  56  40  48  27  17   0 0.00  0.0    T 15.3 25 180   M    M   0        30 180
13  51  37  44  23  21   0 0.00  0.0    0 13.3 22 230   M    M   3        25 230
14  47  38  43  22  22   0 0.00  0.0    0 19.2 29 230   M    M   2        37 230
15  54  41  48  27  17   0 0.00  0.0    0 22.7 31 220   M    M   0        39 220
16  49  28  39  18  26   0 0.00  0.0    0 14.3 32 210   M    M   5        38 210
17  52  24  38  17  27   0 0.00  0.0    0 10.2 21 200   M    M   0        25 190
18  52  38  45  24  20   0 0.00  0.0    0 13.8 29 200   M    M   1        36 210
19  50  33  42  20  23   0 0.00  0.0    0 11.2 28 180   M    M   2        32 180
20  47  28  38  16  27   0 0.00  0.0    0 10.4 17 210   M    M   1        21 190
21  37  23  30   8  35   0 0.00  0.0    0  5.9 16 180   M    M   3 128    22 170
22  25  20  23   1  42   0 0.28  3.3    0  6.0 13 330   M    M  10 128    15 330
23  21  19  20  -2  45   0 0.32  7.0    5 13.3 26 320   M    M  10 1      31 310
24  21  11  16  -6  49   0 0.08  2.9   12  7.6 15 280   M    M   9 18     16 230
25  18   6  12 -10  53   0 0.00  0.0   11  4.2 10 100   M    M   8 18     10 110
26  15   1   8 -14  57   0    T  0.1   10  2.3  8  50   M    M   8 18      9  50
27  12  -5   4 -19  61   0 0.00  0.0   10  4.2 10 220   M    M   4 128    12 210
28  34  -2  16  -7  49   0 0.00  0.0    9 14.5 22 210   M    M   1 18     25 200
29  40  27  34  11  31   0 0.00  0.0    5  9.6 20 210   M    M   7        22 210
30  27  18  23   0  42   0 0.02  0.2    4  5.2 12  70   M    M  10 18     14  70
31  24  15  20  -3  45   0    T  0.1    3  3.0  8  20   M    M   9 18      8  70
================================================================================
SM 1115  611      1144   0  1.24    20.9 346.1          M      126
================================================================================
AV 36.0 19.7                              11.2 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 36 240               # 44  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:  GREAT FALLS MT
                                          MONTH:    JANUARY
                                          YEAR:     2010
                                          LATITUDE:   47 28 N
                                          LONGITUDE: 111 22 W

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

AVERAGE MONTHLY: 27.8   TOTAL FOR MONTH:   1.24    1 = FOG OR MIST
DPTR FM NORMAL:   6.1   DPTR FM NORMAL:    0.56    2 = FOG REDUCING VISIBILITY
HIGHEST:    56 ON 12    GRTST 24HR  0.43 ON 22-23      TO 1/4 MILE OR LESS
LOWEST:    -14 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  20.9 INCHES  5 = HAIL
                        GRTST 24HR   7.0 ON 23-23  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  12 ON 24     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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:  23    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   4    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1144    CLEAR  (SCALE 0-3)  17
DPTR FM NORMAL  -183    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1  4480    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL   -69

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.84 ON  6
DPTR FM NORMAL     0    LOWEST  SLP 29.37 ON 21

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