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

                                          STATION:   CAHOKIA/ST. LOUIS
                                          MONTH:     SEPTEMBER
                                          YEAR:      2020
                                          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  76  66  71  -2   0   6 0.52  0.0    0  1.9 13  40   M    M   9 1      17  30
 2  79  67  73   0   0   8 0.00  0.0    0  1.3  9 320   M    M   6 12     11 320
 3  88  69  79   7   0  14    T  0.0    0  5.7 18 360   M    M   6 12     24 350
 4  82  56  69  -3   0   4 0.00  0.0    0  2.3 12 360   M    M   0        15  10
 5  86  52  69  -3   0   4 0.00  0.0    0  3.4 10 180   M    M   0        17 210
 6  89  64  77   6   0  12 0.00  0.0    0  6.4 18 190   M    M   1        30 200
 7  91  66  79   8   0  14 0.00  0.0    0  5.7 12 170   M    M   2        18 210
 8  90  67  79   8   0  14 0.00  0.0    0  6.1 17 320   M    M   2        28 320
 9  88  67  78   8   0  13 0.00  0.0    0  4.7 13  30   M    M   4 1      18  60
10  86  70  78   8   0  13 0.00  0.0    0  5.3 12  20   M    M   5 18     16  10
11  86  70  78   8   0  13 0.00  0.0    0  6.6 13 140   M    M   3 18     19 150
12  80  62  71   2   0   6    T  0.0    0  4.1 14 140   M    M   7 1      20 140
13  78  58  68  -1   0   3 0.00  0.0    0  4.6 13 350   M    M   1 12     16 350
14  83  54  69   1   0   4 0.00  0.0    0  4.6 13  30   M    M   0 1      18  60
15  80  56  68   0   0   3 0.00  0.0    0  3.4 12 150   M    M   0        15 160
16  82  51  67  -1   0   2 0.00  0.0    0  1.1  8 350   M    M   0 1      12 350
17  79  55  67   0   0   2 0.00  0.0    0  8.2 18 350   M    M   2 18     23 340
18  74  53  64  -3   1   0 0.00  0.0    0  6.9 16  30   M    M   0        23  20
19  73  44  59  -7   6   0 0.00  0.0    0  3.8 12  50   M    M   0        17  30
20  77  42  60  -6   5   0 0.00  0.0    0  3.3 13 130   M    M   0 1      19 100
21  79  44  62  -4   3   0 0.00  0.0    0  3.2 10 150   M    M   0        15 100
22  77  48  63  -2   2   0 0.00  0.0    0  2.1 10 140   M    M   0 12     15 130
23  78  55  67   2   0   2 0.00  0.0    0  3.6 14 150   M    M   3        17 150
24  77  50  64   0   1   0 0.00  0.0    0  3.1 13 140   M    M   1 1      19 150
25  80  50  65   1   0   0 0.00  0.0    0  4.4 13 150   M    M   1 12     18 140
26  84  61  73   9   0   8 0.00  0.0    0  7.9 16 160   M    M   4        23 150
27  84  54  69   6   0   4 0.31  0.0    0  6.6 21 350   M    M   3 1      28 350
28  69  52  61  -2   4   0 0.31  0.0    0  8.7 26 330   M    M   8 1      36 320
29  64  47  56  -7   9   0 0.00  0.0    0  5.1 13 310   M    M   5        19 310
30  83  45  64   2   1   0 0.00  0.0    0  8.8 30 320   M    M   0        39 320
================================================================================
SM 2422 1695        32 149  1.14  0.0    142.9          M       73
================================================================================
AV 80.7 56.5                               4.8 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->    30 320                 39 320
================================================================================
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:     SEPTEMBER
                                          YEAR:      2020
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 68.6   TOTAL FOR MONTH:   1.14    1 = FOG OR MIST
DPTR FM NORMAL:   0.9   DPTR FM NORMAL:   -2.04    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON  7    GRTST 24HR  0.52 ON  1- 1      TO 1/4 MILE OR LESS
LOWEST:     42 ON 20                               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:   3
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   3
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.    32    CLEAR  (SCALE 0-3)  19
DPTR FM NORMAL   -21    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1    32    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL   -21

[CDD (BASE 65) ]
TOTAL THIS MO.   149
DPTR FM NORMAL    15    [PRESSURE DATA]
TOTAL FM JAN 1  1385    HIGHEST SLP 30.37 ON 20
DPTR FM NORMAL    93    LOWEST  SLP 29.73 ON 27

[REMARKS]
#FINAL-09-20#
National Weather Service National Headquarters
