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:     APRIL
                                          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  58  33  46   M  19   0 0.00  0.0    0  7.7 23 310   M    M   5 1      29 300
 2  66  36  51   M  14   0 0.00  0.0    0  7.5 21 320   M    M   1        26 320
 3  86  48  67   M   0   2 0.00  0.0    0 14.9 28 190   M    M   1        41 190
 4  75  42  59   M   6   0 0.82  0.0    0 15.0 30 320   M    M   7 13     39 320
 5  64  35  50   M  15   0 0.00  0.0    0  7.8 20 250   M    M   1        25 250
 6  77  48  63   M   2   0 0.00  0.0    0  8.3 21 190   M    M   0        31 220
 7  69  44  57   M   8   0 0.00  0.0    0  7.5 17 120   M    M   2        23 160
 8  77  58  68   M   0   3    T  0.0    0  5.1 12  10   M    M   4        21  20
 9  85  59  72   M   0   7 0.33  0.0    0  9.0 25 330   M    M   1 138    31 340
10  86  68  77   M   0  12 0.00  0.0    0 11.1 22 190   M    M   1 13     32 190
11  78  55  67   M   0   2 0.57  0.0    0  9.6 26 300   M    M   6 13     37 310
12  66  46  56   M   9   0 0.00  0.0    0  7.5 17 360   M    M   2        22  20
13  73  41  57   M   8   0 0.00  0.0    0  3.1 13  90   M    M   0        16  90
14  72  49  61   M   4   0 0.00  0.0    0  9.3 17 100   M    M   1        23  90
15  68  48  58   M   7   0 0.66  0.0    0 13.5 46  90   M    M   8 13     58 100
16  51  41  46   M  19   0    T  0.0    0 11.4 25 290   M    M   7 1      35 280
17  74  37  56   M   9   0 0.00  0.0    0  5.9 14 190   M    M   0        22 180
18  75  53  64   M   1   0    T  0.0    0  5.7 16  40   M    M   3        21  40
19  85  46  66   M   0   1 0.92  0.0    0 10.8 28 290   M    M   7 135    37 290
20  55  40  48   M  17   0    T  0.0    0 10.3 24 300   M    M   5 5      31 290
21  60  40  50   M  15   0 0.07  0.0    0 10.0 24 140   M    M   3        32 140
22  74  51  63   M   2   0 0.85  0.0    0  9.5 25 160   M    M   7 13     38 150
23  63  52  58   M   7   0 0.37  0.0    0  3.4 13 290   M    M   5 1238   26  90
24  59  52  56   M   9   0 0.42  0.0    0  5.4 15 130   M    M   8 13     24 140
25  64  57  61   M   4   0 0.87  0.0    0  5.7 16 110   M    M   8 13     21 110
26  73  56  65   M   0   0 0.05  0.0    0  8.6 20 210   M    M   5        29 220
27  58  44  51   M  14   0 1.11  0.0    0  9.3 30  70   M    M   8 13     37  70
28  66  44  55   M  10   0    T  0.0    0  9.5 29 310   M    M   3        38 310
29  70  44  57   M   8   0 0.00  0.0    0  7.4 16 110   M    M   0        22 130
30  77  54  66   M   0   1 0.00  0.0    0 10.7 21 160   M    M   4        32 160
================================================================================
SM 2104 1421       207  28  7.04     0.0 260.5          M      113
================================================================================
AV 70.1 47.4                               8.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 46  90               # 58  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:    APRIL
                                          YEAR:     2011
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 58.8   TOTAL FOR MONTH:   7.04    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON 10, 3 GRTST 24HR  1.16 ON 26-27      TO 1/4 MILE OR LESS
LOWEST:     33 ON  1                               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:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  10
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   7
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   207    CLEAR  (SCALE 0-3)  15
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  4669    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.    28
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1    33    HIGHEST SLP M ON M
DPTR FM NORMAL     M    LOWEST  SLP 29.25 ON  3

[REMARKS]
#FINAL-04-11#



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