WFO Monthly/Daily Climate Data
Issued by NWS Rapid City, SD

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CXUS53 KUNR 011530
CF6UNR
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   EAST RAPID CITY SD
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   44  4 N
                                          LONGITUDE: 103 13 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  49  29  39   9  26   0    T    T    0 22.8 34 320   M    M   M        54 320
 2  37  26  32   2  33   0 0.00  0.0    0  9.9 24 320   M    M   M        35 330
 3  52  26  39  10  26   0 0.00  0.0    0  5.4 15 360   M    M   M        24 350
 4  62  38  50  21  15   0 0.00  0.0    0  9.4 22 330   M    M   M        31 330
 5  55  33  44  15  21   0 0.00  0.0    0  6.4 13 350   M    M   M        17  10
 6  57  36  47  19  18   0 0.00  0.0    0  5.6 10 270   M    M   M        14 270
 7  63  37  50  22  15   0 0.00  0.0    0  6.4 14 130   M    M   M        20 330
 8  70  45  58  30   7   0 0.00  0.0    0  5.5 14 300   M    M   M        20 300
 9  70  43  57  29   8   0 0.00  0.0    0  8.8 30 320   M    M   M        45 320
10  48  28  38  10  27   0 0.00  0.0    0 16.9 24 330   M    M   M        38 350
11  33  21  27   0  38   0    T    T    0  4.8  9 130   M    M   M 1      12 130
12  24  19  22  -5  43   0    T    T    0  5.8 13 360   M    M   M 1      15 360
13  30  15  23  -4  42   0    T    T    T  4.9 14  20   M    M   M        16  20
14  17  10  14 -13  51   0 0.11  2.2    T  5.0 10 110   M    M   M        13 130
15  28  13  21  -6  44   0 0.02  0.3    2  3.9 10 150   M    M   M        14 340
16  43  27  35   8  30   0 0.00  0.0    1  8.5 22 300   M    M   M        30 290
17  44  19  32   5  33   0 0.00  0.0    T  5.1 14 310   M    M   M        18 320
18  42  22  32   5  33   0 0.01  0.0    0 12.4 28 330   M    M   M        38 320
19  49  21  35   8  30   0 0.00  0.0    0  8.1 23 330   M    M   M        32 320
20  57  34  46  20  19   0    T  0.0    0 10.4 31 330   M    M   M        46 330
21  54  35  45  19  20   0 0.00  0.0    0  8.2 17 140   M    M   M        30 270
22  65  25  45  19  20   0    T    T    0 12.9 43 330   M    M   M        58 320
23  30  16  23  -3  42   0 0.01  0.3    T 23.6 49 320   M    M   M        71 330
24  50  30  40  14  25   0    T    T    T 17.7 37 320   M    M   M        52 320
25  54  34  44  18  21   0 0.00  0.0    0  6.6 16 360   M    M   M        22  10
26  50  29  40  13  25   0    T  0.0    0  7.7 23 320   M    M   M        33 330
27  39  21  30   3  35   0    T  0.1    0  9.7 24 350   M    M   M        36 350
28  29  19  24  -3  41   0 0.01  0.2    0  7.3 15 160   M    M   M        21 150
29  35  22  29   2  36   0 0.11  1.6    1 11.1 33 330   M    M   M        46 320
30  32  17  25  -2  40   0 0.00  0.0    1  5.8 12 130   M    M   M        17 270
31  45  24  35   8  30   0 0.00  0.0    T  5.2 17 360   M    M   M        22  10
================================================================================
SM 1413  814       894   0  0.27  4.7    281.8          M        M
================================================================================
AV 45.6 26.3                               9.1 FASTST   M    M   M    MAX(MPH)
                                 MISC ---->    49 320                 71 330
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   EAST RAPID CITY SD
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   44  4 N
                                          LONGITUDE: 103 13 W

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

AVERAGE MONTHLY: 35.9   TOTAL FOR MONTH:   0.27    1 = FOG OR MIST
DPTR FM NORMAL:   8.6   DPTR FM NORMAL:   -0.05    2 = FOG REDUCING VISIBILITY
HIGHEST:    70 ON  9, 8  GRTST 24HR  0.11 ON 14-14      TO 1/4 MILE OR LESS
LOWEST:     10 ON 14                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   4.7 INCHES  5 = HAIL
                        GRTST 24HR   2.2 ON 14-14  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 15     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:   7    0.01 INCH OR MORE:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  22    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   894    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL  -273    PTCLDY (SCALE 4-7)   0
TOTAL FM JUL 1  2349    CLOUDY (SCALE 8-10) 31
DPTR FM NORMAL  -392

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   861    HIGHEST SLP M ON M
DPTR FM NORMAL   196    LOWEST  SLP 29.07 ON 22

[REMARKS]
#FINAL-12-20#


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