WFO Monthly/Daily Climate Data
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CXUS53 KDMX 160920
CF6MIW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MARSHALLTOWN IA
                                          MONTH:     DECEMBER
                                          YEAR:      2018
                                          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  38  32  35   7  30   0    M    M    0 22.3 35  60   M    M  10 1      46  50
 2  36  30  33   5  32   0    M    M    M 18.2 25 350   M    M  10 1      34 360
 3  31  25  28   1  37   0    T    M    M 12.4 20 360   M    M  10 1      26 350
 4  25  22  24  -2  41   0    T    M    M  8.9 17 260   M    M  10 1      24 250
 5  37  19  28   2  37   0 0.00  0.0    M  9.5 16 250   M    M   2 1      20 260
 6  26   8  17  -9  48   0 0.00  0.0    0 11.4 22 360   M    M   2        27 360
 7  26   7  17  -8  48   0 0.00  0.0    0  5.9 14 190   M    M   7        18 200
 8  32  14  23  -2  42   0 0.00  0.0    0  5.2 13 190   M    M   5 1      17 180
 9  32  11  22  -2  43   0 0.00  0.0    0  4.3  9 190   M    M   0 1      12 190
10  33  10  22  -2  43   0 0.00  0.0    0  8.7 18 250   M    M   2 1      25 240
11  41  21  31   7  34   0 0.00  0.0    0  5.3 10 170   M    M   0        14 150
12  34  20  27   4  38   0 0.00  0.0    0  9.8 21 270   M    M   5 1      28 270
13  38  22  30   7  35   0 0.00  0.0    M  9.0 17 350   M    M   8 1      22 350
14  45  22  34  12  31   0 0.00  0.0    0  5.9 15 350   M    M   5 12     19 360
15  50  17  34  12  31   0 0.00  0.0    0  3.5  9 140   M    M   0        12 140
================================================================================
SM  524  280       570   0    T      0.0 140.3          M       76
================================================================================
AV 34.9 18.7                               9.4 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 35  60               # 46   50
================================================================================
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:     2018
                                          LATITUDE:   42  6 N
                                          LONGITUDE:  92 55 W

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

AVERAGE MONTHLY: 26.8   TOTAL FOR MONTH:      T    1 = FOG OR MIST
DPTR FM NORMAL:   1.9   DPTR FM NORMAL:   -0.59    2 = FOG REDUCING VISIBILITY
HIGHEST:    50 ON 15    GRTST 24HR    T  ON  4- 4      TO 1/4 MILE OR LESS
LOWEST:      7 ON  7                               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:   6    0.01 INCH OR MORE:   0
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   570    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL   -30    PTCLDY (SCALE 4-7)   4
TOTAL FM JUL 1  2239    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL   143

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1003    HIGHEST SLP M ON M
DPTR FM NORMAL   275    LOWEST  SLP 29.23 ON  1

[REMARKS]


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