WFO Monthly/Daily Climate Data
Issued by NWS

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189
CXUS53 KLOT 190800
CF6MDW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-MIDWAY
                                          MONTH:     SEPTEMBER
                                          YEAR:      2024
                                          LATITUDE:   41 46 N
                                          LONGITUDE:  87 45 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  77  64  71  -1   0   6 0.00    M    M 12.0 22  10   M    M   2        29  40
 2  75  61  68  -4   0   3 0.00    M    M  6.4 16  90   M    M   2        25  80
 3  78  60  69  -3   0   4 0.00    M    M  7.7 14 110   M    M   3        22 120
 4  84  60  72   1   0   7 0.00    M    M  5.8 15 140   M    M   1        21 170
 5  87  66  77   6   0  12    T    M    M  7.8 20 250   M    M   5 3      24 260
 6  73  60  67  -4   0   2 0.00    M    M 12.8 20  30   M    M   6        26  20
 7  67  51  59 -12   6   0 0.00    M    M 10.5 21 330   M    M   2        30 330
 8  73  49  61  -9   4   0 0.00    M    M  7.5 15 250   M    M   5        22 270
 9  82  57  70   0   0   5 0.00    M    M  8.8 16 260   M    M   2        23 260
10  83  58  71   1   0   6 0.00    M    M  5.5 15 200   M    M   4        25 170
11  88  59  74   5   0   9 0.00    M    M  4.6 10 170   M    M   2        21 160
12  87  65  76   7   0  11 0.00    M    M  7.4 15 100   M    M   4        22 110
13  85  68  77   8   0  12 0.00    M    M  8.5 16  60   M    M   7        23  70
14  87  69  78  10   0  13 0.00    M    M  7.9 15  80   M    M   7        21  80
15  89  69  79  11   0  14 0.00    M    M  7.2 16  80   M    M   6        22  80
16  90  67  79  11   0  14 0.00    M    M  6.9 17  80   M    M   6        24  70
17  85  62  74   7   0   9 0.00    M    M  4.8 15  30   M    M   1        21  30
18  89  64  77  10   0  12 0.00    M    M  5.0 15 110   M    M   4        20  90
================================================================================
SM 1479 1109        10 139     T    M    137.1          M       69
================================================================================
AV 82.2 61.6                               7.6 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    22  10                 30 330
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   CHICAGO-MIDWAY
                                          MONTH:     SEPTEMBER
                                          YEAR:      2024
                                          LATITUDE:   41 46 N
                                          LONGITUDE:  87 45 W

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

AVERAGE MONTHLY: 71.9   TOTAL FOR MONTH:      T    1 = FOG OR MIST
DPTR FM NORMAL:   2.2   DPTR FM NORMAL:   -1.69    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 16    GRTST 24HR     T ON  5- 5      TO 1/4 MILE OR LESS
LOWEST:     49 ON  8                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    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:   0
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.    10    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL    -7    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1    10    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL   -11

[CDD (BASE 65) ]
TOTAL THIS MO.   139
DPTR FM NORMAL    37    [PRESSURE DATA]
TOTAL FM JAN 1  1262    HIGHEST SLP M ON M
DPTR FM NORMAL   204    LOWEST  SLP 29.90 ON 18

[REMARKS]