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000
CXUS53 KGRB 100744
CF6RRL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MERRILL MUNICIPAL AI
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   45 10 N
                                          LONGITUDE:  89 42 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  35  10  23   M  42   0    M    M    M  2.6  9 350   M    M   0         M   M
 2  46   8  27   M  38   0    M    M    M  5.4 16 320   M    M   1        24 280
 3  40  28  34   M  31   0    M    M    M 10.0 15 270   M    M   8        18 260
 4  39  19  29   M  36   0    M    M    M  4.4  9  20   M    M   4        16  20
 5  29  18  24   M  41   0    M    M    M  0.5  5 140   M    M   8         M   M
 6  31  10  21   M  44   0    M    M    M  1.9  7 280   M    M   5 1       M   M
 7  31  28  30   M  35   0    M    M    M  1.2  6 280   M    M  10         M   M
 8  31  26  29   M  36   0    M    M    M  6.8 13 230   M    M   9 1      16 230
 9  49  21  35   M  30   0    M    M    M  2.4 13 310   M    M   2 1       M   M
================================================================================
SM  331  168       333   0     M    M     35.2          M       47
================================================================================
AV 36.8 18.7                               3.9 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    16 320                 24 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   MERRILL MUNICIPAL AI
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   45 10 N
                                          LONGITUDE:  89 42 W

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

AVERAGE MONTHLY: 27.7   TOTAL FOR MONTH:      M    1 = FOG OR MIST
DPTR FM NORMAL:   0.0   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    49 ON  9    GRTST 24HR      M ON  M       TO 1/4 MILE OR LESS
LOWEST:      8 ON  2                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    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:   4    0.01 INCH OR MORE:   0
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:   9    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   333    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   4
TOTAL FM JUL 1  2385    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1   333    HIGHEST SLP M ON M
DPTR FM NORMAL   333    LOWEST  SLP M ON M

[REMARKS]