WFO Monthly/Daily Climate Data
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408
CXUS53 KLOT 010700
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     SEPTEMBER
                                          YEAR:      2020
                                          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  75  69  72   2   0   7 0.19  0.0    0  7.5 15 100   M    M   9 13     21  40
 2  88  69  79   9   0  14 0.05  0.0    0  8.6 20 270   M    M   6 1      29 260
 3  88  65  77   8   0  12 0.00  0.0    0 14.4 33 250   M    M   2        40 250
 4  80  56  68  -1   0   3 0.00  0.0    0  8.8 24 270   M    M   2        33 290
 5  82  64  73   4   0   8 0.00  0.0    0 10.7 25 240   M    M   3 8      36 250
 6  83  59  71   3   0   6 0.60  0.0    0 13.5 26 210   M    M   8 13     39 200
 7  80  62  71   3   0   6 0.23  0.0    0 12.4 23  50   M    M   8 13     32  40
 8  65  60  63  -5   2   0 0.64  0.0    0 14.8 26  20   M    M  10 138    32  20
 9  64  57  61  -6   4   0 0.56  0.0    0 12.4 17  60   M    M  10 13     24  40
10  68  55  62  -5   3   0 0.18  0.0    0 12.2 20  40   M    M  10 1      27 360
11  68  61  65  -2   0   0 0.06  0.0    0  9.0 14  80   M    M  10 18     19  90
12  73  63  68   2   0   3 0.25  0.0    0  9.1 15 270   M    M   8 18     22 180
13  77  61  69   3   0   4 0.02  0.0    0  6.2 15 310   M    M   3 1      23 330
14  77  58  68   3   0   3 0.00  0.0    0  3.8 12 100   M    M   6        15  90
15  79  60  70   5   0   5 0.00  0.0    0  8.1 15 230   M    M   7 8      22 210
16  84  63  74   9   0   9 0.00  0.0    0 10.5 17 260   M    M   7 18     24 250
17  69  58  64   0   1   0 0.00  0.0    0 13.0 21  50   M    M   5        30  50
18  61  49  55  -9  10   0 0.00  0.0    0 12.5 22  50   M    M   4        27  50
19  67  46  57  -6   8   0 0.00  0.0    0  4.2 14  90   M    M   2 8      20  80
20  73  48  61  -2   4   0 0.00  0.0    0  5.9 17 120   M    M   2        27 110
21  75  53  64   2   1   0 0.00  0.0    0  6.2 13 160   M    M   3 8      17 190
22  79  54  67   5   0   2 0.00  0.0    0  5.0 14 220   M    M   3 8      18 260
23  79  59  69   8   0   4 0.00  0.0    0  6.2 12 280   M    M   6        18 200
24  79  58  69   8   0   4 0.00  0.0    0  6.5 15 230   M    M   5 8      21 240
25  80  61  71  10   0   6 0.00  0.0    0  9.0 17 180   M    M   1 8      26 220
26  79  64  72  12   0   7 0.00  0.0    0 14.5 24 200   M    M   7        36 210
27  77  55  66   6   0   1 0.19  0.0    0 11.4 21 210   M    M   8 1      35 220
28  63  51  57  -2   8   0 0.21  0.0    0  7.9 20 310   M    M   8        27 260
29  60  46  53  -6  12   0    T    M    0  8.3 20 280   M    M   4        28 280
30  67  52  60   2   5   0    T  0.0    0 12.9 29 300   M    M   6        43 300
================================================================================
SM 2239 1736        58 104  3.18     0.0 285.5          M      173
================================================================================
AV 74.6 57.9                               9.5 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 33 250               # 43  300
================================================================================
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:     2020
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 66.3   TOTAL FOR MONTH:   3.18    1 = FOG OR MIST
DPTR FM NORMAL:   1.7   DPTR FM NORMAL:   -0.03    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON  3, 2 GRTST 24HR  0.64 ON  8- 8      TO 1/4 MILE OR LESS
LOWEST:     46 ON 29,19                            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:   9
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.    58    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL   -47    PTCLDY (SCALE 4-7)  18
TOTAL FM JUL 1    58    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL   -60

[CDD (BASE 65) ]
TOTAL THIS MO.   104
DPTR FM NORMAL    12    [PRESSURE DATA]
TOTAL FM JAN 1  1286    HIGHEST SLP M ON M
DPTR FM NORMAL   454    LOWEST  SLP 29.56 ON 30

[REMARKS]
#FINAL-09-20#



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