000
CXUS55 KFSD 051224
CF6SUX

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

                                          STATION:   SIOUX CITY IA
                                          MONTH:     SEPTEMBER
                                          YEAR:      2011
                                          LATITUDE:   42 24 N
                                          LONGITUDE:  96 23 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  91  69  80  11   0  15 0.00  0.0    0  7.2 18 200   M    M   0 1      23 180
 2  77  67  72   3   0   7 0.12  0.0    0  4.9 28 330   M    M   3 123    37 340
 3  72  53  63  -5   2   0 0.02  0.0    0  9.9 25 330   M    M   7 123    32 340
 4  73  48  61  -7   4   0 0.00  0.0    0  8.4 23 330   M    M   1        36  10
 5  71  41  56 -12   9   0 0.00  0.0    0  4.1 12 170   M    M   1 12     16 170
 6  74  44  59  -8   6   0 0.00  0.0    0  7.4 15 160   M    M   0        20 140
 7  77  47  62  -5   3   0 0.00  0.0    0  4.7 13 150   M    M   0 1      18 150
 8  81  46  64  -3   1   0 0.00  0.0    0  4.7 12  20   M    M   2 12     17  40
 9  85  55  70   4   0   5 0.00  0.0    0  9.6 21 350   M    M   1        29 350
10  86  53  70   4   0   5 0.00  0.0    0  2.6 13  40   M    M   1 18     16  30
11  87  53  70   4   0   5 0.00  0.0    0  3.8 12 230   M    M   0 1      15 250
12  89  58  74   9   0   9 0.00  0.0    0  9.3 22 210   M    M   0        28 220
13  74  50  62  -3   3   0 0.00  0.0    0  6.4 16 360   M    M   0        22  10
14  61  40  51 -13  14   0 0.01  0.0    0  9.6 21  10   M    M   4        25  10
15  59  32  46 -18  19   0 0.07  0.0    0  4.0 13 220   M    M   3         M  M
16  56  44  50 -13  15   0 0.08  0.0    0  9.7 17 150   M    M  10        22 170
17  55  51  53 -10  12   0 0.00  0.0    0 10.4 18 140   M    M  10 1      24 130
18  74  47  61  -1   4   0 0.01  0.0    0  3.5 12 340   M    M   6 12     16 350
19  81  40  61  -1   4   0 0.00  0.0    0  4.4 13 160   M    M   2 12     15 150
20  74  53  64   2   1   0    T  0.0    0 13.6  M   M   M    M   1        36 310
21  67  39  53  -8  12   0 0.00  0.0    0 12.1 26 330   M    M   2        32 340
22  63  34  49 -12  16   0 0.00  0.0    0  2.7  9 350   M    M   1 1      17 320
23  70  29  50 -10  15   0 0.00  0.0    0  2.6  9 180   M    M   0 12     13 190
24  74  37  56  -4   9   0 0.00  0.0    0  4.3 12  50   M    M   0        18  70
25  71  33  52  -7  13   0 0.00  0.0    0  2.5  9  40   M    M   1        14  40
26  74  38  56  -3   9   0 0.00  0.0    0  8.7 23 340   M    M   1        28 350
27  81  48  65   7   0   0 0.00  0.0    0  7.2 17 340   M    M   0        23 340
28  88  42  65   7   0   0 0.00  0.0    0  2.5 13 340   M    M   0 18     17 340
29  75  51  63   5   2   0 0.00  0.0    0 16.1 35 330   M    M   1        44 330
30  71  36  54  -3  11   0 0.00  0.0    0  4.5 12 320   M    M   0        16 330
================================================================================
SM 2231 1378       184  46  0.31     0.0 201.4          M       58
================================================================================
AV 74.4 45.9                               6.7 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 35 330               # 44  330
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
- COLUMN 17 PEAK WIND IN M.P.H.
- PRECIPITATION IN COLUMNS 7, 8, AND 9 ARE THE OFFICAL
  AMOUNTS FOR SIOUX CITY, IOWA
- SNOW DEPTH IN COLUMN 9 IS RECORDED AT 6 AM CST (12Z).


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

                                          STATION:  SIOUX CITY IA
                                          MONTH:    SEPTEMBER
                                          YEAR:     2011
                                          LATITUDE:   42 24 N
                                          LONGITUDE:  96 23 W

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

AVERAGE MONTHLY: 60.2   TOTAL FOR MONTH:   0.31    1 = FOG OR MIST
DPTR FM NORMAL:  -3.2   DPTR FM NORMAL:   -2.65    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON  1    GRTST 24HR  0.15 ON 15-16      TO 1/4 MILE OR LESS
LOWEST:     29 ON 23                               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:   6
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   184    CLEAR  (SCALE 0-3)  25
DPTR FM NORMAL    52    PTCLDY (SCALE 4-7)   3
TOTAL FM JUL 1   184    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL    37

[CDD (BASE 65) ]
TOTAL THIS MO.    46
DPTR FM NORMAL   -38    [PRESSURE DATA]
TOTAL FM JAN 1  1061    HIGHEST SLP 30.48 ON 15
DPTR FM NORMAL   200    LOWEST  SLP 29.69 ON  1

[REMARKS]

RECORD DAILY MINIMUM TEMPERATURE WAS TIED ON THE 15TH WITH 32 DEGREES.
RECORD DAILY MINIMUM TEMPERATURE WAS ESTABLISHED ON THE 23RD WITH 29 DEGREES.
THIS WAS THE 3RD DRIEST SEPTEMBER ON RECORD WITH 0.31 INCHES.

#FINAL-09-11#