WFO Monthly/Daily Climate Data
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CXUS53 KLOT 010800
CF6DPA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DU PAGE  AIRPORT
                                          MONTH:     OCTOBER
                                          YEAR:      2021
                                          LATITUDE:   41 55 N
                                          LONGITUDE:  88 15 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  86  56  71  13   0   6 0.00    M    M  5.1 14 170   M    M   0        19 160
 2  80  66  73  15   0   8 0.20    M    M  7.5 16 160   M    M   8 1      22 160
 3  75  61  68  10   0   3 0.37    M    M  3.9 17 280   M    M   7 18     23 280
 4  77  59  68  11   0   3 0.17    M    M  7.7 20  20   M    M   9 128    26  30
 5  67  64  66   9   0   1 0.00    M    M  9.0 16  40   M    M   9        20  20
 6  69  63  66  10   0   1 0.01    M    M  8.6 15  60   M    M  10 18     20  60
 7  76  62  69  13   0   4 0.47    M    M  4.6 13 130   M    M   7 1      18 120
 8  74  60  67  11   0   2 0.10    M    M  3.0 16 250   M    M   7 12     21 240
 9  80  60  70  15   0   5 0.02    M    M  5.8 14 150   M    M   3 1      23 160
10  79  68  74  19   0   9 0.03    M    M 11.3 21 190   M    M   2 1      30 210
11  76  61  69  15   0   4 0.81    M    M 12.2 25 180   M    M   6 1      35 180
12  66  51  59   5   6   0 0.01    M    M  7.5 16 240   M    M   7 12     24 240
13  71  47  59   6   6   0 0.30    M    M  7.2 28 180   M    M   6 1      40 180
14  71  50  61   8   4   0 0.26    M    M  5.7 16 230   M    M   7 1      22 230
15  62  46  54   1  11   0    T    M    M  7.2 15 310   M    M   5 1      21 320
16  60  42  51  -1  14   0 0.00    M    M 10.4 22 310   M    M   0        30 300
17  67  37  52   0  13   0 0.00    M    M  4.7 16 310   M    M   0        21 320
18  72  39  56   5   9   0 0.00    M    M  2.7 13 210   M    M   0        17 190
19  72  45  59   8   6   0 0.00    M    M  7.0 17 210   M    M   0        22 220
20  72  47  60  10   5   0    T    M    M  8.7 21 250   M    M   2        28 240
21  63  47  55   5  10   0    T    M    M 11.0 20 260   M    M   8 18     27 270
22  56  37  47  -3  18   0 0.00    M    M  4.6 12 320   M    M   6        17 270
23  56  32  44  -5  21   0 0.00    M    M  2.6  9 350   M    M   1        12 310
24  49  34  42  -7  23   0 1.74    M    M 12.7 30  60   M    M   7 1      47  80
25  54  44  49   1  16   0 0.64    M    M 16.0 29  30   M    M   9 1      43  20
26  59  35  47  -1  18   0 0.00    M    M  5.8 16  10   M    M   4        20  20
27  57  32  45  -3  20   0 0.00    M    M  5.9 15 150   M    M   0 1      21 150
28  55  47  51   4  14   0 0.31    M    M  7.4 15  80   M    M   9 1      21  90
29  55  52  54   7  11   0 0.24    M    M 15.1 23  10   M    M  10 1      32  10
30  62  41  52   6  13   0    T    M    M  9.9 20 340   M    M   6 1      26 340
31  54  36  45  -1  20   0 0.00    M    M 10.0 22 320   M    M   2 1      32 320
================================================================================
SM 2072 1521       258  46  5.68    M    240.8          M      157
================================================================================
AV 66.8 49.1                               7.8 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    30  60                 47  80
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   DU PAGE  AIRPORT
                                          MONTH:     OCTOBER
                                          YEAR:      2021
                                          LATITUDE:   41 55 N
                                          LONGITUDE:  88 15 W

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

AVERAGE MONTHLY: 58.0   TOTAL FOR MONTH:   5.68    1 = FOG OR MIST
DPTR FM NORMAL:   5.8   DPTR FM NORMAL:    2.69    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON  1    GRTST 24HR  2.37 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     32 ON 27,23                             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:  16
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  12
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   258    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL  -149    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1   282    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -236

[CDD (BASE 65) ]
TOTAL THIS MO.    46
DPTR FM NORMAL    35    [PRESSURE DATA]
TOTAL FM JAN 1  1085    HIGHEST SLP M ON M
DPTR FM NORMAL   262    LOWEST  SLP 29.50 ON 29

[REMARKS]
#FINAL-10-21#