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

                                          STATION:   CAHOKIA/ST. LOUIS IL
                                          MONTH:     MAY
                                          YEAR:      2010
                                          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  74  58  66   M   0   1 0.36  0.0    0  3.8 14 330   M    M   8 123    18 320
 2  72  53  63   M   2   0 0.42  0.0    0  3.1 21 330   M    M   5 13     28 320
 3  78  49  64   M   1   0 0.01    M    0  5.4 20 330   M    M   1 12     25 330
 4  81  48  65   M   0   0    T    M    0  5.2 16 150   M    M   0 1      23 160
 5  83  55  69   M   0   4 0.00  0.0    0  5.5 16 320   M    M   0        20 330
 6  75  51  63   M   2   0 0.00  0.0    0  7.3 16 130   M    M   0 8      22 130
 7  83  53  68   M   0   3    T  0.0    0 15.0 36 300   M    M   4        45 300
 8  61  44  53   M  12   0 0.00  0.0    0 14.5 26 300   M    M   3        35 300
 9  62  36  49   M  16   0 0.00  0.0    0  2.9 10 130   M    M   1        14 140
10  61  50  56   M   9   0 0.17  0.0    0 13.4 28 140   M    M  10 13     35 150
11  81  54  68   M   0   3 0.00  0.0    0  9.4 17 260   M    M   6        28 150
12  79  57  68   M   0   3 1.42  0.0    0  6.2 23 300   M    M   7 13     30 270
13  79  61  70   M   0   5 0.05  0.0    0  7.6 21 300   M    M   4        26 290
14  65  57  61   M   4   0 0.06  0.0    0  3.8 13 350   M    M   6 1      15 340
15  60  54  57   M   8   0 0.59  0.0    0  6.3 14  50   M    M   9 1      20 230
16  66  56  61   M   4   0 1.13  0.0    0  4.6  9 360   M    M  10 13     12 360
17  60  54  57   M   8   0 0.02  0.0    0  8.5 16 310   M    M   9 13     21 330
18  71  53  62   M   3   0 0.00  0.0    0  7.5 18 340   M    M   6 1      23  10
19  71  48  60   M   5   0 0.01    M    0  1.6 12  40   M    M   4 1      14  60
20  63  58  61   M   4   0 0.88  0.0    0  8.4 22 110   M    M   9 1      28 120
21  70  58  64   M   1   0 0.11  0.0    0  5.9 14 250   M    M   7 13     21 230
22  83  53  68   M   0   3 0.01  0.0    0  5.0 16 150   M    M   0 1      20 150
23  89  69  79   M   0  14    T  0.0    0  6.4 15 170   M    M   2        22 170
24  90  68  79   M   0  14    T  0.0    0  4.0 20 110   M    M   3 1      25 120
25  88  66  77   M   0  12 0.00  0.0    0  4.3 13 140   M    M   0 18     21  40
26  87  66  77   M   0  12 1.27  0.0    0  4.4 36 340   M    M   2 138    52 350
27  86  62  74   M   0   9 0.00  0.0    0  5.3 15  10   M    M   2 128    18  10
28  83  61  72   M   0   7 0.00  0.0    0  5.9 16 330   M    M   0 1      23  10
29  88  61  75   M   0  10 0.00  0.0    0  3.8 13 100   M    M   1        17  50
30  87  66  77   M   0  12 0.00  0.0    0  4.7 14 150   M    M   1 18     20 130
31  87  66  77   M   0  12 0.11  0.0    0  3.6 24 290   M    M   1 18     33 290
================================================================================
SM 2363 1745        79 124  6.62     0.0 193.3          M      121
================================================================================
AV 76.2 56.3                               6.2 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 36 300               # 52  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:  CAHOKIA/ST. LOUIS IL
                                          MONTH:    MAY
                                          YEAR:     2010
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 66.3   TOTAL FOR MONTH:   6.62    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 24    GRTST 24HR  1.42 ON 12-12      TO 1/4 MILE OR LESS
LOWEST:     36 ON  9                               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:  16
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:  10
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.    79    CLEAR  (SCALE 0-3)  15
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  4870    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.   124
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1   153    HIGHEST SLP 30.39 ON  9
DPTR FM NORMAL     M    LOWEST  SLP 29.52 ON  2

[REMARKS]
#FINAL-05-10#