WFO Monthly/Daily Climate Data
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CXUS53 KLSX 011600
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CAHOKIA/ST. LOUIS
                                          MONTH:     MAY
                                          YEAR:      2012
                                          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  85  59  72  11   0   7 0.18  0.0    0  6.9 15 200   M    M   3 13     23 200
 2  89  65  77  15   0  12 0.00  0.0    0  7.6 18 210   M    M   0        28 190
 3  86  68  77  15   0  12 0.00  0.0    0  6.8 17 160   M    M   1        24 180
 4  84  67  76  14   0  11 0.12  0.0    0  4.6 22 350   M    M   3 13     28 350
 5  91  69  80  17   0  15 0.00  0.0    0  3.8 14  30   M    M   2 138    17  30
 6  91  70  81  18   0  16 0.00  0.0    0  4.9 14 160   M    M   1 1      17 160
 7  79  62  71   8   0   6 0.61  0.0    0  6.5 24 250   M    M   9 13     32 240
 8  75  55  65   1   0   0 0.00  0.0    0  6.9 18 330   M    M   1        23 320
 9  72  54  63  -1   2   0 0.00  0.0    0  8.1 17 330   M    M   2        24 310
10  75  49  62  -2   3   0 0.00  0.0    0  2.9  9  60   M    M   1        12  70
11  76  51  64   0   1   0 0.00  0.0    0  3.5 12 130   M    M   0        14 140
12  79  56  68   3   0   3 0.00  0.0    0  1.9  9 150   M    M   0        13 100
13  79  53  66   1   0   1 0.00  0.0    0  7.6 17 330   M    M   1        26 360
14  80  51  66   1   0   1 0.00  0.0    0  5.0 15 360   M    M   1        20 360
15  82  50  66   0   0   1 0.00  0.0    0  2.6 12 290   M    M   0        16 290
16  81  56  69   3   0   4 0.00  0.0    0  6.2 17  40   M    M   0        22  20
17  82  49  66   0   0   1 0.00  0.0    0  3.5 12  90   M    M   0        17  70
18  89  52  71   5   0   6 0.00  0.0    0  4.4 12 140   M    M   0 8      16 140
19  91  61  76   9   0  11 0.00  0.0    0  4.6 14 190   M    M   1        20 200
20  91  64  78  11   0  13 0.03  0.0    0  5.1 20 270   M    M   3 3      24 260
21  75  54  65  -2   0   0 0.00  0.0    0 10.4 20 350   M    M   4        24 360
22  79  48  64  -4   1   0 0.00  0.0    0  2.6 12  10   M    M   0 18     16  50
23  85  51  68   0   0   3 0.00  0.0    0  5.8 16 160   M    M   0        24 150
24  92  63  78  10   0  13 0.00  0.0    0 10.3 23 170   M    M   1        35 180
25  92  69  81  13   0  16 0.00  0.0    0  5.2 16 140   M    M   2        20 130
26  95  71  83  14   0  18 0.00  0.0    0  4.8 15 150   M    M   0        22 180
27  94  67  81  12   0  16 0.00  0.0    0  6.2 14 180   M    M   0        20 200
28  95  71  83  14   0  18 0.00  0.0    M  5.4 20 200   M    M   1        30 180
29  92  65  79   9   0  14 0.05  0.0    0  3.5 12 340   M    M   1 3      16  30
30  85  61  73   3   0   8 0.10  0.0    0  2.9 12 270   M    M   2 38     14 270
31  71  53  62  -8   3   0 0.15  0.0    0  9.0 21 340   M    M   7 1      26 360
================================================================================
SM 2612 1834        10 226  1.24     0.0 169.5          M       47
================================================================================
AV 84.3 59.2                               5.5 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 24 250               # 35  180
================================================================================
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
                                          MONTH:    MAY
                                          YEAR:     2012
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 71.7   TOTAL FOR MONTH:   1.24    1 = FOG OR MIST
DPTR FM NORMAL:   5.9   DPTR FM NORMAL:   -3.71    2 = FOG REDUCING VISIBILITY
HIGHEST:    95 ON 28,26 GRTST 24HR  0.61 ON  7- 7      TO 1/4 MILE OR LESS
LOWEST:     48 ON 22                               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:   7
MAX 90 OR ABOVE:  10    0.10 INCH OR MORE:   5
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.    10    CLEAR  (SCALE 0-3)  27
DPTR FM NORMAL   -73    PTCLDY (SCALE 4-7)   3
TOTAL FM JUL 1  3536    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL -1182

[CDD (BASE 65) ]
TOTAL THIS MO.   226
DPTR FM NORMAL   118    [PRESSURE DATA]
TOTAL FM JAN 1   319    HIGHEST SLP 30.21 ON 12
DPTR FM NORMAL   184    LOWEST  SLP 29.59 ON 24

[REMARKS]
#FINAL-05-12#



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