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 IL
                                          MONTH:     MAY
                                          YEAR:      2011
                                          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  64  45  55   M  10   0 0.46  0.0    0  8.1 21 350   M    M   5 1      25 330
 2  53  45  49   M  16   0 0.03  0.0    0  3.0 14 350   M    M   5 1      17 350
 3  60  38  49   M  16   0 0.00  0.0    0  8.1 23 320   M    M   1        30 300
 4  60  33  47   M  18   0 0.00  0.0    0  2.9 10 140   M    M   0 1      14 120
 5  70  41  56   M   9   0 0.11  0.0    0  7.9 23 300   M    M   4 1      30 300
 6  70  46  58   M   7   0 0.00  0.0    0  4.6 10 200   M    M   3 1      17 250
 7  78  53  66   M   0   1 0.05  0.0    0  6.5 16 200   M    M   3 3      25 210
 8  82  54  68   M   0   3 0.00  0.0    0  4.6 13 100   M    M   1 128    17  90
 9  82  66  74   M   0   9 0.00  0.0    0  9.3 31 150   M    M   1        40 150
10  82  66  74   M   0   9    T  0.0    0  6.4 15 140   M    M   0 13     20 210
11  88  66  77   M   0  12 0.00  0.0    0  4.9 14 160   M    M   1 18     18 170
12  86  62  74   M   0   9 0.00  0.0    0  4.6 24 270   M    M   0        35 270
13  73  57  65   M   0   0 0.08  0.0    0  7.9 21 310   M    M   6 1      25 320
14  57  49  53   M  12   0 0.44  0.0    0 12.8 22 310   M    M  10 1      30 320
15  55  44  50   M  15   0 0.13  0.0    0 13.3 22 350   M    M  10 1      28  10
16  62  42  52   M  13   0 0.00  0.0    0 10.8 21 340   M    M   2        28 340
17  64  38  51   M  14   0 0.00  0.0    0  6.5 20  20   M    M   4        24 360
18  72  46  59   M   6   0 0.00  0.0    0  2.2 12 340   M    M   4 1      14 320
19  63  56  60   M   5   0 0.21  0.0    0  4.6 13 110   M    M   9 1      16 120
20  80  61  71   M   0   6 0.00  0.0    0  8.7 28 140   M    M   5        40 130
21  82  64  73   M   0   8 0.02  0.0    0  6.4 14 160   M    M   2        18 150
22  84  63  74   M   0   9 0.10  0.0    0  8.5 26 310   M    M   3 1      36 320
23  81  62  72   M   0   7 0.35  0.0    0  5.9 35 310   M    M   3 13     53 310
24  83  59  71   M   0   6 0.00  0.0    0  5.9 15 140   M    M   1        20 140
25  83  61  72   M   0   7 0.92  0.0    0  6.2 29 290   M    M   6 13     43 300
26  63  50  57   M   8   0 0.17  0.0    0  9.6 22 330   M    M   9 1      25 330
27  68  48  58   M   7   0 0.03  0.0    0  4.3 16 120   M    M   6 1      22 100
28  78  57  68   M   0   3 0.00  0.0    0  4.6 12 160   M    M   9 18     15 160
29  90  63  77   M   0  12 0.00  0.0    0  7.9 20 190   M    M   0 12     31 190
30  90  69  80   M   0  15 0.00  0.0    0  9.0 21 170   M    M   0        29 170
31  88  69  79   M   0  14 0.00  0.0    0  5.7 16 240   M    M   0        23 250
================================================================================
SM 2291 1673       156 130  3.10     0.0 211.7          M      113
================================================================================
AV 73.9 54.0                               6.8 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 35 310               # 53  310
================================================================================
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:     2011
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 63.9   TOTAL FOR MONTH:   3.10    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 30,29 GRTST 24HR  0.92 ON 25-25      TO 1/4 MILE OR LESS
LOWEST:     33 ON  4                               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:  14
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   9
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.   156    CLEAR  (SCALE 0-3)  17
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  4825    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.   130
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1   163    HIGHEST SLP 30.46 ON  4
DPTR FM NORMAL     M    LOWEST  SLP 29.40 ON 25

[REMARKS]
#FINAL-05-11#



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