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893
CXUS53 KDMX 021042
CF6MIW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MARSHALLTOWN IA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   42  6 N
                                          LONGITUDE:  92 55 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   8  24  -4  41   0 0.00  0.0    0  3.7  8  90   M    M   0        10 140
 2  46  10  28   0  37   0 0.00  0.0    0  2.8  9 330   M    M   0        13 330
 3  43  17  30   3  35   0 0.00  0.0    0  9.0 18 270   M    M   1        24 260
 4  49  23  36  10  29   0 0.00  0.0    0  8.1 15 310   M    M   0        18 310
 5  47  18  33   7  32   0 0.00  0.0    0  2.8  9 330   M    M   1 18     12 320
 6  42  23  33   7  32   0 0.00  0.0    0  9.2 18 300   M    M   6 1      22 300
 7  32  30  31   6  34   0 0.00  0.0    0  2.3 14 300   M    M  10 1      16 300
 8  44  30  37  12  28   0 0.00  0.0    0  8.2 15 250   M    M   5 12     19 240
 9  57  27  42  18  23   0 0.00  0.0    0  6.0 14 350   M    M   0        18 350
10  59  24  42  18  23   0 0.00  0.0    0  8.3 17 190   M    M   0 1      20 190
11  36  32  34  10  31   0 0.27    M    0 18.4 26  50   M    M   7 1      35  50
12  32  13  23   0  42   0    M    M    M 16.4 26  10   M    M   8 1      36  20
13  26   9  18  -5  47   0 0.00  0.0    M  9.1 21 300   M    M   7 18     26 280
14  20   7  14  -8  51   0 0.00  0.0    M  8.3 20 320   M    M   3        25 300
15  21  13  17  -5  48   0 0.00  0.0    M  7.8 14 100   M    M   4        16 110
16  25   3  14  -8  51   0 0.00  0.0    M  1.3  9 100   M    M   2 128    11 100
17  28   5  17  -5  48   0 0.00  0.0    M  5.3 10 130   M    M   9 128    13 130
18  37  22  30   9  35   0 0.00  0.0    M 12.9 24 140   M    M   3 18     33 130
19  33  17  25   4  40   0 0.00  0.0    M 10.2 20 310   M    M   8 1      24 320
20  37  16  27   6  38   0 0.00  0.0    M  7.8 17 220   M    M   3 1      29 200
21  43  26  35  14  30   0 0.00  0.0    M 16.5 30 290   M    M   1        39 300
22  45  21  33  13  32   0 0.00  0.0    M 12.3 26 170   M    M   2        36 160
23  50   9  30  10  35   0    M    M    M 25.0 44 310   M    M   9 1      57 300
24  10   0   5 -15  60   0    M    M    M 19.9 37 300   M    M   3 18     47 310
25  23  -3  10 -10  55   0 0.00  0.0    M  9.3 16 250   M    M   0        21 220
26  33  13  23   3  42   0 0.00  0.0    M  7.4 14 100   M    M   0        17 100
27  29  23  26   6  39   0    M    M    M 12.2 20 320   M    M   6 1      25 310
28  27  11  19  -1  46   0 0.00  0.0    M  9.4 21 310   M    M   4        28 300
29  28  12  20   0  45   0    M    M    M 11.6 22 140   M    M   7 128    28 130
30  30  10  20   1  45   0 0.00  0.0    M 16.0 30 300   M    M   8 1      38 300
31  21   8  15  -4  50   0 0.00  0.0    M  5.8 15 140   M    M   8 1      19 180
================================================================================
SM 1092  477      1224   0  0.27  0.0    303.3          M      125
================================================================================
AV 35.2 15.4                               9.8 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    44 310                 57 300
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   MARSHALLTOWN IA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   42  6 N
                                          LONGITUDE:  92 55 W

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

AVERAGE MONTHLY: 25.3   TOTAL FOR MONTH:   0.27    1 = FOG OR MIST
DPTR FM NORMAL:   2.8   DPTR FM NORMAL:   -0.72    2 = FOG REDUCING VISIBILITY
HIGHEST:    59 ON 10    GRTST 24HR  0.30 ON 11-12      TO 1/4 MILE OR LESS
LOWEST:     -3 ON 25                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR  0.0            6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  0            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:  14    0.01 INCH OR MORE:   1
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   2    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1224    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL   -92    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  2714    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL   -97

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   815    HIGHEST SLP 30.53 ON 29
DPTR FM NORMAL    87    LOWEST  SLP 29.24 ON 23

[REMARKS]
#FINAL-12-20#