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000
CXUS53 KLSX 011600
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CAHOKIA/ST. LOUIS IL
                                          MONTH:     AUGUST
                                          YEAR:      2009
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 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  80  57  69   M   0   4 0.25  0.0    0  3.8 15 310   M    M   3 1      18 320
 2  83  60  72   M   0   7 0.00  0.0    0  2.3 10 170   M    M   3 128    18 160
 3  92  60  76   M   0  11 0.00  0.0    0  5.4 14 180   M    M   0 1      22 180
 4  86  71  79   M   0  14 0.02  0.0    0  5.1 18 340   M    M   1        23 350
 5  90  67  79   M   0  14 0.00  0.0    0  3.7 13 360   M    M   3 128    22  50
 6  87  64  76   M   0  11 0.00  0.0    0  2.5  9 110   M    M   1 8      16 150
 7  89  65  77   M   0  12 0.00  0.0    0  7.8 14 160   M    M   1        21 190
 8  95  72  84   M   0  19 0.00  0.0    0  8.2 15 190   M    M   0 1      23 200
 9  95  75  85   M   0  20 0.00  0.0    0  6.7 15 160   M    M   1 1      20 170
10  86  69  78   M   0  13 0.90  0.0    0  5.4 24  10   M    M   1 13     64 100
11  88  68  78   M   0  13    T  0.0    0  5.5 16 350   M    M   3        20 360
12  86  61  74   M   0   9 0.00  0.0    0  3.5 13  30   M    M   1 1      17  40
13  86  58  72   M   0   7 0.00  0.0    0  1.7 10 150   M    M   0        13 150
14  88  59  74   M   0   9 0.00  0.0    0  3.0 13 140   M    M   1 1      17 130
15  91  66  79   M   0  14 0.00  0.0    0  5.4 13 150   M    M   1 18     17 150
16  93  71  82   M   0  17 1.36  0.0    0  6.9 25 210   M    M   2 138    39 210
17  89  68  79   M   0  14 1.16  0.0    0  6.1 38 320   M    M   2 123    46 320
18  83  68  76   M   0  11    T  0.0    0  1.5  7 350   M    M   5         9 290
19  91  71  81   M   0  16    T  0.0    0  6.1 16 240   M    M   4 13     24 250
20  79  66  73   M   0   8 0.77  0.0    0  7.2 21 270   M    M   3 13     29 280
21  80  63  72   M   0   7 0.06  0.0    0  9.6 28 320   M    M   3        36 330
22  76  56  66   M   0   1 0.00  0.0    0  7.2 17 350   M    M   2        24 360
23  78  53  66   M   0   1 0.00  0.0    0  2.3 10  30   M    M   2 1      14  30
24  79  53  66   M   0   1 0.00  0.0    0  2.9 12 130   M    M   1 1      22  70
25  82  55  69   M   0   4 0.00  0.0    0  3.7 12 140   M    M   0 1      17 140
26  87  57  72   M   0   7 0.00  0.0    0  3.7 12 130   M    M   1 1      17 180
27  88  63  76   M   0  11 0.00  0.0    0  4.6 12 150   M    M   2 18     15 130
28  75  68  72   M   0   7 0.01  0.0    0  6.3 16 350   M    M   9 1      20 350
29  79  57  68   M   0   3 0.00  0.0    0  8.1 16 350   M    M   2 1      21 360
30  68  51  60   M   5   0 0.00  0.0    0  6.0 14  10   M    M   5        17 360
31  72  51  62   M   3   0 0.00  0.0    0  3.1  9  20   M    M   7        13  40
================================================================================
SM 2621 1943         8 285  4.53     0.0 155.3          M       70
================================================================================
AV 84.5 62.7                               5.0 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 38 320               # 64  100
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  CAHOKIA/ST. LOUIS IL
                                          MONTH:    AUGUST
                                          YEAR:     2009
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 73.6   TOTAL FOR MONTH:   4.53    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    95 ON  9, 8 GRTST 24HR  1.36 ON 16-16      TO 1/4 MILE OR LESS
LOWEST:     51 ON 31,30                            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:   8
MAX 90 OR ABOVE:   7    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.     8    CLEAR  (SCALE 0-3)  23
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1     8    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.   285
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1  1073    HIGHEST SLP 30.29 ON 31
DPTR FM NORMAL     M    LOWEST  SLP 29.71 ON 20

[REMARKS]
#FINAL-08-09#