WFO Monthly/Daily Climate Data
Issued by NWS Duluth, MN

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CXUS53 KDLH 140646
CF6DLH
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DULUTH
                                          MONTH:     DECEMBER
                                          YEAR:      2017
                                          LATITUDE:   46 49 N
                                          LONGITUDE:  92 11 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  39  25  32  12  33   0 0.00  0.0    T  5.4 15 230   M    M   5        19 230
 2  43  25  34  14  31   0 0.00  0.0    T  6.4 13 270   M    M   1        15 270
 3  40  29  35  16  30   0 0.00  0.0    T  9.2 15  80   M    M   6        20  90
 4  40  26  33  14  32   0 0.11    T    T 14.6 32 310   M    M  10 12     44 300
 5  26  11  19   1  46   0    T  0.1    T 24.0 36 300   M    M   9 19     47 300
 6  16   6  11  -7  54   0    T    T    T 18.2 25 310   M    M   8 19     34 290
 7  21   3  12  -6  53   0    T    T    T 14.7 23 320   M    M   6        32 320
 8  22  16  19   2  46   0 0.05  2.0    T 10.3 20 340   M    M  10 1      26 350
 9  18   2  10  -7  55   0 0.01  0.2    2 10.7 22 350   M    M   7 1      29 340
10  21   9  15  -1  50   0    T    T    1  7.1 16 330   M    M   8        21 340
11  25   6  16   0  49   0 0.06  0.7    1 12.4 26 350   M    M   9 16     35 340
12  13  -3   5 -11  60   0 0.04  0.5    1  8.2 14 130   M    M   7 1      18 330
13  22   4  13  -2  52   0 0.21  2.6    3  9.5 20  50   M    M   9 1      26  50
================================================================================
SM  346  159       591   0  0.48     6.1 150.7          M       95
================================================================================
AV 26.6 12.2                              11.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 36 300               # 47  300
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  DULUTH
                                          MONTH:    DECEMBER
                                          YEAR:     2017
                                          LATITUDE:   46 49 N
                                          LONGITUDE:  92 11 W

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

AVERAGE MONTHLY: 19.4   TOTAL FOR MONTH:   0.48    1 = FOG OR MIST
DPTR FM NORMAL:   1.8   DPTR FM NORMAL:   -0.07    2 = FOG REDUCING VISIBILITY
HIGHEST:    43 ON  2    GRTST 24HR  0.21 ON 13-13      TO 1/4 MILE OR LESS
LOWEST:     -3 ON 12                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   6.1 INCHES  5 = HAIL
                        GRTST 24HR   2.6 ON 13-13  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON 13     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:   9    0.01 INCH OR MORE:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  13    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   1    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   591    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL   -25    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1  2737    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL   -92

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   126    HIGHEST SLP M ON M
DPTR FM NORMAL   -78    LOWEST  SLP 29.22 ON  4

[REMARKS]



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