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912 
CXUS53 KDMX 200920
CF6MIW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MARSHALLTOWN IA
                                          MONTH:     SEPTEMBER
                                          YEAR:      2017
                                          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  72  48  60  -8   5   0 0.00  0.0    0  7.0 15 140   M    M   0 18     19 130
 2  78  57  68   1   0   3 0.00  0.0    0  7.7 16 230   M    M   5 1      19 240
 3  83  51  67   0   0   2 0.00  0.0    0  8.1 20 200   M    M   0 1      27 200
 4  75  52  64  -3   1   0 0.00  0.0    0 10.0 22 340   M    M   2        27 340
 5  69  46  58  -8   7   0 0.00  0.0    0 12.2 29 310   M    M   1        34 320
 6  66  43  55 -11  10   0 0.00  0.0    0  6.7 16 340   M    M   5 1      21 330
 7  74  41  58  -8   7   0 0.00  0.0    0  5.5 14 290   M    M   1 1      19 290
 8  82  46  64  -2   1   0 0.00  0.0    0  6.6 15 100   M    M   0        20 140
 9  80  52  66   1   0   1 0.00  0.0    0 11.2 17 100   M    M   2        22 100
10  81  58  70   5   0   5 0.00  0.0    0 12.0 18 130   M    M   1        23 130
11  81  50  66   2   0   1 0.00  0.0    0  5.5 10 190   M    M   0        13 180
12  84  53  69   5   0   4 0.00  0.0    0  2.0  9 120   M    M   0 18     11 110
13  87  54  71   7   0   6 0.00  0.0    0  3.4  9 150   M    M   0 1      11 150
14  89  57  73  10   0   8 0.00  0.0    0  8.1 18 160   M    M   0 1      22 160
15  91  64  78  15   0  13 0.00  0.0    0 11.1 24 160   M    M   0        29 150
16  79  63  71   9   0   6 0.19  0.0    0  8.4 29 310   M    M   3 13     38 170
17  72  52  62   0   3   0 0.52  0.0    0  7.4 18 320   M    M   1 13     23 260
18  72  51  62   0   3   0 0.08  0.0    0  5.9 15 140   M    M   4 123    18 120
19  81  55  68   7   0   3 0.00  0.0    0 12.0 22 130   M    M   5 12     28 110
================================================================================
SM 1496  993        37  52  0.79     0.0 150.8          M       30              
================================================================================
AV 78.7 52.3                               7.9 FASTST   M    M   2    MAX(MPH)  
                                 MISC ---->  # 29 310               # 38  170   
================================================================================
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:    SEPTEMBER
                                          YEAR:     2017
                                          LATITUDE:   42  6 N                   
                                          LONGITUDE:  92 55 W                   

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

AVERAGE MONTHLY: 65.5   TOTAL FOR MONTH:   0.79    1 = FOG OR MIST              
DPTR FM NORMAL:   0.9   DPTR FM NORMAL:   -1.43    2 = FOG REDUCING VISIBILITY  
HIGHEST:    91 ON 15    GRTST 24HR  0.70 ON 16-17      TO 1/4 MILE OR LESS      
LOWEST:     41 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:   0    0.01 INCH OR MORE:   3                                  
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   2                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.    37    CLEAR  (SCALE 0-3)  15                                  
DPTR FM NORMAL   -20    PTCLDY (SCALE 4-7)   4                                  
TOTAL FM JUL 1    45    CLOUDY (SCALE 8-10)  0                                  
DPTR FM NORMAL   -33                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.    52                                                            
DPTR FM NORMAL     1    [PRESSURE DATA]                                         
TOTAL FM JAN 1   702    HIGHEST SLP M ON M                                      
DPTR FM NORMAL    -5    LOWEST  SLP 29.67 ON 19                                 

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