WFO Monthly/Daily Climate Data
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CXUS53 KLOT 010800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     SEPTEMBER
                                          YEAR:      2023
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 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  85  58  72   1   0   7 0.00  0.0    0  6.8 14 160   M    M   1        19 170
 2  89  64  77   6   0  12 0.00  0.0    0  9.2 17 200   M    M   4        24 220
 3  94  70  82  11   0  17 0.00  0.0    0 11.7 21 190   M    M   3        29 230
 4  94  71  83  13   0  18 0.00  0.0    0  9.1 16 190   M    M   2        26 160
 5  94  74  84  14   0  19 0.02  0.0    0 12.7 23 190   M    M   7        32 190
 6  83  71  77   7   0  12 0.05  0.0    0 11.3 21 230   M    M   9 13     30 250
 7  71  64  68  -2   0   3 0.03  0.0    0  9.4 16  20   M    M  10 1      20  10
 8  68  58  63  -6   2   0 0.01  0.0    0 10.5 17  20   M    M   8 1      24 360
 9  76  56  66  -3   0   1 0.00  0.0    0  7.4 15  40   M    M   3        20  50
10  83  54  69   0   0   4 0.01  0.0    0  3.9 14 110   M    M   5        17  90
11  70  61  66  -2   0   1 0.77  0.0    0  6.2 14 340   M    M  10 13     19 350
12  72  57  65  -3   0   0 0.00  0.0    0  7.5 15 340   M    M   6        25 360
13  72  54  63  -5   2   0 0.00  0.0    0  6.3 16  10   M    M   4        24  60
14  74  53  64  -3   1   0 0.00  0.0    0  4.0 14 100   M    M   2        19 100
15  79  54  67   0   0   2 0.00  0.0    0  4.1 12 190   M    M   3        19 180
16  70  60  65  -1   0   0 0.03  0.0    0  3.3 10 210   M    M   9        14 210
17  64  57  61  -5   4   0 1.60  0.0    0 10.3 21  20   M    M   7 1      28  30
18  73  53  63  -3   2   0 0.00  0.0    0  5.0 13  70   M    M   5        19 110
19  68  58  63  -2   2   0 0.27  0.0    0  7.8 17 160   M    M   9 1      26 180
20  80  63  72   7   0   7 0.01  0.0    0  6.4 15 180   M    M   8        21 180
21  81  66  74  10   0   9 0.05  0.0    0  4.1 13 160   M    M  10 8      19 110
22  80  66  73   9   0   8 0.01  0.0    0  5.7 14 130   M    M   8 1      19 120
23  81  65  73   9   0   8 0.00  0.0    0  9.3 20 110   M    M   6        26 120
24  79  59  69   6   0   4 0.00  0.0    0  7.8 16 110   M    M   6        23 140
25  75  64  70   7   0   5 0.11  0.0    0  8.2 15 120   M    M   8 13     20 120
26  73  63  68   6   0   3 0.36  0.0    0 10.1 18 100   M    M   8 13     24 100
27  72  63  68   6   0   3 0.02  0.0    0  8.2 14  80   M    M   9 1      19  60
28  71  61  66   5   0   1 0.01  0.0    0  7.6 15  20   M    M   8 1      20  10
29  77  59  68   7   0   3 0.00  0.0    0  4.6 13  90   M    M   4 18     17 100
30  84  61  73  13   0   8 0.00  0.0    0  6.4 12 160   M    M   1 18     17 150
================================================================================
SM 2332 1837        13 155  3.36  0.0    224.9          M      183
================================================================================
AV 77.7 61.2                               7.5 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    23 190                 32 190
================================================================================
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-OHARE
                                          MONTH:     SEPTEMBER
                                          YEAR:      2023
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 69.5   TOTAL FOR MONTH:   3.36    1 = FOG OR MIST
DPTR FM NORMAL:   3.2   DPTR FM NORMAL:    0.17    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON  5, 4  GRTST 24HR  1.62 ON 16-17      TO 1/4 MILE OR LESS
LOWEST:     53 ON 18,14                             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:  16
MAX 90 OR ABOVE:   3    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.    13    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL   -64    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1    15    CLOUDY (SCALE 8-10) 10
DPTR FM NORMAL   -67

[CDD (BASE 65) ]
TOTAL THIS MO.   155
DPTR FM NORMAL    39    [PRESSURE DATA]
TOTAL FM JAN 1  1089    HIGHEST SLP M ON M
DPTR FM NORMAL   101    LOWEST  SLP 29.70 ON  6

[REMARKS]
#FINAL-09-23#


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