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

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CXUS53 KDLH 022356
CF6DLH
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DULUTH
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          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  29   4  17  -3  48   0 0.00  0.0    3  3.8 10 270   M    M   0        13 180
 2  31  19  25   5  40   0    T    T    3 12.7 24 330   M    M   4        39 320
 3  36  24  30  11  35   0 0.00  0.0    3 13.0 18 260   M    M   3        23 310
 4  31  11  21   2  44   0 0.00  0.0    3  5.1 14 350   M    M   2 18     22 340
 5  29  12  21   3  44   0    T    T    3  3.3 12 160   M    M   7        15 180
 6  32  27  30  12  35   0 0.00  0.0    3  6.0 15 300   M    M  10 1      22 320
 7  31  28  30  12  35   0    T    T    3  6.4 16 260   M    M  10 1      19 260
 8  35  28  32  15  33   0 0.00  0.0    3 12.0 18 250   M    M   8 18     24 240
 9  44  30  37  20  28   0 0.00  0.0    3  7.0 15 310   M    M   1        21 330
10  43  30  37  21  28   0 0.00  0.0    3  6.9 17 340   M    M   6        25 350
11  32  27  30  14  35   0 0.00  0.0    3  8.0 14  50   M    M   7        19  60
12  28  18  23   7  42   0    T    T    3  9.6 18  60   M    M  10        24  50
13  22  14  18   3  47   0 0.05  1.1    3  9.6 22 300   M    M  10 18     31 310
14  14   0   7  -8  58   0    T    T    3 11.5 23 290   M    M   3        36 300
15  18  -3   8  -7  57   0 0.02  0.6    3  6.7 13 210   M    M   9        17 210
16  24  11  18   4  47   0 0.00  0.0    4  7.3 14 210   M    M   4        19 220
17  28  15  22   8  43   0 0.00  0.0    4  6.5 14 180   M    M   1 8      17 180
18  33  18  26  12  39   0    T    T    4  9.2 16 170   M    M   8 1      25 180
19  29   9  19   6  46   0 0.00  0.0    4  8.3 20 200   M    M   8        27 210
20  32  19  26  13  39   0 0.05  0.5    4 11.1 21 220   M    M   6 18     29 210
21  32  23  28  15  37   0 0.26  3.3    7  8.4 18 270   M    M  10 16     24 270
22  34  19  27  14  38   0    T    T    6 12.2 26 110   M    M  10 1      35 120
23  35   4  20   8  45   0 0.33  5.2    6 17.6 37 350   M    M   9 149    55 350
24   4  -9  -2 -14  67   0    T    T    6 13.9 26 330   M    M   2 89     41 340
25  19 -12   4  -8  61   0    T    T    6  9.9 18 230   M    M   4        25 320
26  24  14  19   7  46   0    T    T    6  6.7 14 330   M    M   9 8      19 340
27  19  10  15   3  50   0    T  0.1    5  7.3 14 340   M    M   9        20 340
28  12  -8   2  -9  63   0    T    T    5 11.0 20 300   M    M   4        29 310
29  19 -10   5  -6  60   0 0.20  2.4    5  9.2 14 140   M    M   4 18     20 240
30  21  10  16   5  49   0 0.08  3.3   10 10.3 21 310   M    M   9 189    28 300
31  18   2  10  -1  55   0    T    T    9  9.4 20 220   M    M   7 18     24 230
================================================================================
SM  838  384      1394   0  0.99 16.5    279.9          M      194
================================================================================
AV 27.0 12.4                               9.0 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    37 350                 55 350
================================================================================
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:      2020
                                          LATITUDE:   46 49 N
                                          LONGITUDE:  92 11 W

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

AVERAGE MONTHLY: 19.7   TOTAL FOR MONTH:   0.99    1 = FOG OR MIST
DPTR FM NORMAL:   4.9   DPTR FM NORMAL:   -0.22    2 = FOG REDUCING VISIBILITY
HIGHEST:    44 ON  9    GRTST 24HR  0.33 ON 23-23      TO 1/4 MILE OR LESS
LOWEST:    -12 ON 25                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  16.5 INCHES  5 = HAIL
                        GRTST 24HR   5.2 ON 23-23  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  10 ON 30     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:  24    0.01 INCH OR MORE:   7
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   6    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1394    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL  -162    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  3524    CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL  -247

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   357    HIGHEST SLP 30.49 ON 29
DPTR FM NORMAL   153    LOWEST  SLP 29.34 ON 23

[REMARKS]
#FINAL-12-20#
A BACKUP LOCATION WAS USED FOR LIQUID EQUIVALENT PRECIPITATION ON 12/23 DUE TO BLOWING SNOW.



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