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WFO Monthly/Daily Climate Data
Issued by NWS
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CXUS53 KDMX 011900
CF6MIW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MARSHALLTOWN IA
                                          MONTH:     MAY
                                          YEAR:      2021
                                          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  89  55  72  18   0   7 0.00  0.0    0    M  M   M   M    M   0         M   M
 2  85  59  72  18   0   7 0.00  0.0    0    M  M   M   M    M   M         M   M
 3  69  50  60   5   5   0 0.37  0.0    0 12.0 23 350   M    M   4 1      30 350
 4  62  38  50  -5  15   0 0.00  0.0    0 12.7 22 350   M    M   1        31 350
 5  65  31  48  -8  17   0    T  0.0    0  5.6 25 260   M    M   4        34 260
 6  62  40  51  -5  14   0    T  0.0    0 14.4 25 320   M    M   5        32 310
 7  63  35  49  -7  16   0 0.00  0.0    0 10.7 22 350   M    M   1        34 310
 8  55  33  44 -13  21   0 0.85  0.0    0 13.6 29  90   M    M   5 13     37  80
 9  60  39  50  -7  15   0 0.12  0.0    0 11.2 24  70   M    M   6        31  70
10  60  40  50  -8  15   0    T  0.0    0  7.3 18  40   M    M   7        23  40
11  60  35  48 -10  17   0 0.00  0.0    0  7.8 17  70   M    M   0        27  80
12  63  33  48 -10  17   0 0.00  0.0    0  3.9 14 160   M    M   0        19 130
13  66  38  52  -7  13   0 0.00  0.0    0  6.7 17 150   M    M   0 8      27 150
14  66  40  53  -6  12   0 0.17  0.0    0 11.1 24 190   M    M   5 13     33 170
15  71  51  61   1   4   0 0.34  0.0    0 10.3 28 360   M    M   6 123    39 350
16  64  53  59  -1   6   0 0.03  0.0    0  9.2 16 130   M    M   9 12     20 140
17  65  56  61   1   4   0    T  0.0    0 15.5 23  90   M    M  10 1      30 110
18  65  58  62   1   3   0 0.06  0.0    0 13.2 23 130   M    M  10 1      29 130
19  77  64  71  10   0   6 0.25  0.0    0 13.1 23 160   M    M   8 1      33 160
20  72  64  68   6   0   3 0.48  0.0    0 12.7 22 170   M    M  10 1      29 150
21  78  66  72  10   0   7 0.06  0.0    0 13.5 21 180   M    M   7 1      31 170
22  77  65  71   9   0   6    T  0.0    0 10.3 16 180   M    M   7 1      23 180
23  82  64  73  10   0   8    T  0.0    0  9.3 18 180   M    M   6        24 180
24  82  68  75  12   0  10    T  0.0    0 14.7 24 200   M    M   2        32 210
25  83  67  75  11   0  10    T  0.0    0 13.7 24 230   M    M   5 3      31 200
26  76  53  65   1   0   0 0.00  0.0    0  9.1 20 340   M    M   0        28 340
27  62  42  52 -12  13   0 0.56  0.0    0 17.8 29  60   M    M   8 13     36  60
28  48  40  44 -21  21   0 0.01  0.0    0 11.9 22  30   M    M  10 1      30  40
29  63  36  50 -15  15   0 0.00  0.0    0  7.8 18  90   M    M   0 12     24 100
30  64  41  53 -13  12   0 0.00  0.0    0  5.8 14 170   M    M   2        18 180
31  72  45  59  -7   6   0 0.00  0.0    0  4.9 13 180   M    M   3        18 220
================================================================================
SM 2126 1499       261  64  3.30  0.0    309.8          M      141
================================================================================
AV 68.6 48.4                              10.7 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 29  90                 39 350
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   MARSHALLTOWN IA
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   42  6 N
                                          LONGITUDE:  92 55 W

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

AVERAGE MONTHLY: 58.5   TOTAL FOR MONTH:   3.30    1 = FOG OR MIST
DPTR FM NORMAL:  -1.5   DPTR FM NORMAL:   -1.58    2 = FOG REDUCING VISIBILITY
HIGHEST:    89 ON  1    GRTST 24HR  0.97 ON  8- 9      TO 1/4 MILE OR LESS
LOWEST:     31 ON  5                               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:   0    0.01 INCH OR MORE:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   261    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL    56    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  7051    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL    84

[CDD (BASE 65) ]
TOTAL THIS MO.    64
DPTR FM NORMAL    15    [PRESSURE DATA]
TOTAL FM JAN 1    76    HIGHEST SLP 30.50 ON 12
DPTR FM NORMAL    22    LOWEST  SLP 29.43 ON  2

[REMARKS]
#FINAL-05-21#
National Weather Service National Headquarters
