National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS53 KDMX 161118
CF6MIW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MARSHALLTOWN IA
                                          MONTH:     AUGUST
                                          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  81  54  68  -4   0   3 0.00  0.0    0  7.7 17 360   M    M   0 18     22 360
 2  79  52  66  -6   0   1 0.00  0.0    0  2.3 15  30   M    M   4 8      20  30
 3  82  50  66  -6   0   1 0.00  0.0    0  2.7  8 120   M    M   1 12     11 100
 4  82  52  67  -5   0   2 0.00  0.0    0  5.2 15 170   M    M   2 12     20 170
 5  78  63  71  -1   0   6 0.13  0.0    0  8.6 15 180   M    M   7 1      20 170
 6  87  62  75   3   0  10 0.00  0.0    0  5.6 12 150   M    M   1 1      17 220
 7  87  69  78   6   0  13    T  0.0    0 12.1 22 190   M    M   0 13     31 190
 8  83  65  74   2   0   9 0.34  0.0    0 11.4 30 200   M    M   4 138    41 200
 9  86  71  79   8   0  14 0.01  0.0    0  6.2 18 200   M    M   2 1      27 190
10  88  72  80   9   0  15    T  0.0    0  8.7 24 160   M    M   3 3      31 160
11  90  62  76   5   0  11 0.00  0.0    0  9.8 18 240   M    M   2        28 210
12  89  58  74   3   0   9 0.00  0.0    0  7.1 16 360   M    M   1        24 350
13  85  56  71   0   0   6 0.00  0.0    0  5.6 13 290   M    M   1 8      23 260
14  82  48  65  -6   0   0 0.00  0.0    0  2.9  9  60   M    M   0        12  60
15  82  51  67  -4   0   2 0.00  0.0    0  6.9 14 150   M    M   0        20 180
16  82  53  68  -2   0   3 0.00  0.0    0  6.6 13 140   M    M   2        17 130
17  86  54  70   0   0   5 0.00  0.0    0  7.9 16 140   M    M   1        24 150
18  87  62  75   5   0  10 0.00  0.0    0  7.6 16 160   M    M   2 1      22 140
19  88  64  76   6   0  11 0.00  0.0    0  7.2 16 160   M    M   1 1      20 180
20  88  63  76   6   0  11 0.63  0.0    0 12.2 24 330   M    M   3 13     34 160
21  79  57  68  -2   0   3 0.65  0.0    0  9.1 18 310   M    M   2 13     26 320
22  80  52  66  -3   0   1 0.00  0.0    0  6.6 14 100   M    M   0        20 160
23  88  65  77   8   0  12 0.03  0.0    0  9.6 20 140   M    M   2 3      27 190
24  95  65  80  11   0  15 0.60  0.0    0  9.8 29 320   M    M   1 13     40 330
25  89  69  79  10   0  14 0.13  0.0    0  7.0 22 310   M    M   2 13     27 300
26  83  67  75   6   0  10 0.62  0.0    0 11.1 29 350   M    M   4 123    39 350
27  90  69  80  12   0  15 0.00  0.0    0 12.0 22 180   M    M   2        30 160
28  90  73  82  14   0  17    T  0.0    0  9.4 17 180   M    M   4 3      24 180
29  81  61  71   3   0   6 0.03  0.0    0  7.8 28 340   M    M   2 13     36 330
30  83  56  70   2   0   5 0.12  0.0    0  3.1 24 320   M    M   3 123    32 320
31  74  58  66  -2   0   1 0.27  0.0    0  8.0 18  80   M    M   5 13     25 140
================================================================================
SM 2624 1873         0 241  3.56  0.0    237.8          M       64
================================================================================
AV 84.6 60.4                               7.7 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->    30 200                 41 200
================================================================================
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:     AUGUST
                                          YEAR:      2021
                                          LATITUDE:   42  6 N
                                          LONGITUDE:  92 55 W

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

AVERAGE MONTHLY: 72.5   TOTAL FOR MONTH:   3.56    1 = FOG OR MIST
DPTR FM NORMAL:   2.3   DPTR FM NORMAL:   -0.32    2 = FOG REDUCING VISIBILITY
HIGHEST:    95 ON 24    GRTST 24HR  1.28 ON 20-21      TO 1/4 MILE OR LESS
LOWEST:     48 ON 14                               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:   4    0.10 INCH OR MORE:   9
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  25
DPTR FM NORMAL   -17    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL   -21

[CDD (BASE 65) ]
TOTAL THIS MO.   241
DPTR FM NORMAL    61    [PRESSURE DATA]
TOTAL FM JAN 1   845    HIGHEST SLP 30.30 ON 14
DPTR FM NORMAL   198    LOWEST  SLP 29.70 ON 11

[REMARKS]
#FINAL-08-21#