WFO Monthly/Daily Climate Data
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CXUS53 KLSX 011400
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CAHOKIA/ST. LOUIS
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          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  47  29  38 -13  27   0 0.00  0.0    0  9.4 21 360   M    M   0        29 350
 2  56  25  41 -10  24   0 0.00  0.0    0  6.7 16 140   M    M   0 8      26 140
 3  74  33  54   3  11   0 0.00  0.0    0  7.7 18 200   M    M   0 8      30 200
 4  79  44  62  10   3   0 0.00  0.0    0  6.1 14 150   M    M   0        20 140
 5  81  49  65  13   0   0 0.00  0.0    0  5.9 16 170   M    M   0        25 160
 6  82  53  68  16   0   3 0.00  0.0    0  8.1 17 190   M    M   2        29 180
 7  77  56  67  14   0   2    M  0.0    0 11.0 24 190   M    M   5 13     41 180
 8  57  50  54   1  11   0 0.05  0.0    0  7.1 16 190   M    M   6 1      26 170
 9  81  44  63   9   2   0    T  0.0    0  5.6 20 160   M    M   1        31 160
10  62  48  55   1  10   0 0.69  0.0    0 11.9 25 270   M    M  10 1      41 260
11  70  47  59   5   6   0 0.04  0.0    0 13.6 29 310   M    M   4        41 310
12  69  40  55   0  10   0 0.00  0.0    0  6.6 16 330   M    M   2        22 310
13  65  50  58   3   7   0    T  0.0    0  5.2 17 340   M    M   7        22 350
14  64  47  56   1   9   0 0.00  0.0    0  8.4 21 330   M    M   1        26 320
15  60  41  51  -5  14   0 0.00  0.0    0  7.3 20 360   M    M   2 18     25  10
16  61  40  51  -5  14   0    T  0.0    0  4.2 12 330   M    M   4 1      15 330
17  60  48  54  -2  11   0 0.05  0.0    0  5.2 12 300   M    M  10 1      16 310
18  68  41  55  -2  10   0 0.00  0.0    0  4.4 18 310   M    M   3 1      26 320
19  71  43  57   0   8   0 0.00  0.0    0  9.5 24 360   M    M   1        31 360
20  44  32  38 -20  27   0 0.25    M    0  8.3 20 340   M    M   6 1      25 330
21  52  31  42 -16  23   0    T  0.0    0  5.5 21 300   M    M   4 1      27 300
22  58  31  45 -13  20   0 0.00  0.0    0  3.7 12 360   M    M   1        16 320
23  62  44  53  -6  12   0 0.05  0.0    0  6.7 16 150   M    M   9        26 210
24  58  45  52  -7  13   0 0.69  0.0    0  5.7 15 340   M    M   8 1      21  20
25  68  39  54  -5  11   0 0.00  0.0    0  3.6 13 130   M    M   1 12     16 160
26  81  48  65   5   0   0 0.00  0.0    0 11.3 23 160   M    M   0        36 170
27  84  60  72  12   0   7 0.00    M    M  9.8 20 160   M    M   0        31 180
28  72  65  69   9   0   4 0.53    M    M  5.4 14 180   M    M   8 13     24 180
29  72  57  65   4   0   0 0.37  0.0    0  9.5 23 330   M    M   7 13     30 330
30  78  47  63   2   2   0 0.00  0.0    0  6.5 18 340   M    M   0        26 310
================================================================================
SM 2013 1327       285  16  2.72  0.0    219.9          M      102
================================================================================
AV 67.1 44.2                               7.3 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    29 310               # 41 180
================================================================================
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:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 55.7   TOTAL FOR MONTH:   2.72    1 = FOG OR MIST
DPTR FM NORMAL:  -0.2   DPTR FM NORMAL:   -1.33    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON 27    GRTST 24HR  0.90 ON 28-29      TO 1/4 MILE OR LESS
LOWEST:     25 ON  2                               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:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   5    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   285    CLEAR  (SCALE 0-3)  17
DPTR FM NORMAL   -12    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  4490    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -144

[CDD (BASE 65) ]
TOTAL THIS MO.    16
DPTR FM NORMAL    -8    [PRESSURE DATA]
TOTAL FM JAN 1    16    HIGHEST SLP 30.60 ON  1
DPTR FM NORMAL   -11    LOWEST  SLP 29.41 ON 10

[REMARKS]
#FINAL-04-21#


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