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

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     APRIL
                                          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  53  38  46   2  19   0 0.00  0.0    0  7.0 13  60   M    M   6        18  60
 2  61  34  48   4  17   0    T  0.0    0  5.0 14  70   M    M   3        20  80
 3  70  46  58  14   7   0    T  0.0    0  6.5 14 280   M    M   9        19 270
 4  52  37  45   0  20   0 0.06  0.0    0  7.5 16 320   M    M   8        22 320
 5  52  35  44  -1  21   0 0.00  0.0    0  8.5 15  40   M    M   5        20  30
 6  64  35  50   5  15   0 0.01  0.0    0  5.8 15 180   M    M   7        22 190
 7  80  51  66  20   0   1 0.04  0.0    0  7.8 23 220   M    M   6 13     33 220
 8  74  48  61  15   4   0 0.22  0.0    0  8.0 25 340   M    M   6 138    35  10
 9  50  36  43  -3  22   0    T    T    0 17.9 32 310   M    M   3 5      47 290
10  50  33  42  -5  23   0 0.00  0.0    0  9.6 18 270   M    M   4        25 290
11  63  42  53   6  12   0 0.17  0.0    0  7.7 23 220   M    M   9        33 240
12  66  49  58  10   7   0 0.13  0.0    0  9.5 20 160   M    M  10 1      27 160
13  56  34  45  -3  20   0 0.02  0.0    0 17.0 29 300   M    M   7 1      42 300
14  41  30  36 -12  29   0    T    T    0 12.3 24 260   M    M   5        37 260
15  40  27  34 -15  31   0 0.10  1.7    1  8.2 17 290   M    M   8 1      24 260
16  47  28  38 -11  27   0 0.00  0.0    0  9.2 20 270   M    M   5        29 250
17  42  34  38 -12  27   0 0.29  3.0    2  7.8 16  40   M    M   8 18     20  40
18  59  34  47  -3  18   0 0.00  0.0    0 16.4 29 210   M    M   1        40 220
19  62  39  51   1  14   0 0.00  0.0    0 11.2 21  40   M    M   2        33 330
20  64  36  50  -1  15   0 0.04  0.0    0 12.6 28 230   M    M   3        43 260
21  53  36  45  -6  20   0 0.00  0.0    0 14.6 25 310   M    M   2        36 310
22  63  40  52   1  13   0 0.06  0.0    0  7.0 22  10   M    M   9        27 360
23  57  43  50  -2  15   0    T  0.0    0  7.6 17 360   M    M  10 8      21  20
24  50  40  45  -7  20   0 0.00  0.0    0  9.9 16  30   M    M  10 18     18  30
25  47  42  45  -7  20   0 0.19  0.0    0 12.7 22  20   M    M  10 1      28  30
26  63  41  52  -1  13   0 0.00  0.0    0 11.5 23  30   M    M   5        36  10
27  68  40  54   1  11   0 0.16  0.0    0  9.2 24 190   M    M   7 1      36 160
28  76  48  62   8   3   0 0.27  0.0    0  7.4 23 190   M    M   8 123    32 170
29  61  43  52  -2  13   0 1.89  0.0    0 10.7 30 340   M    M  10 1      41 340
30  56  42  49  -5  16   0 0.16  0.0    0 13.7 28 350   M    M   7 1      43 330
================================================================================
SM 1740 1161       492   1  3.81     4.7 299.8          M      193
================================================================================
AV 58.0 38.7                              10.0 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 32 310               # 47  290
================================================================================
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:    APRIL
                                          YEAR:     2020
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 48.4   TOTAL FOR MONTH:   3.81    1 = FOG OR MIST
DPTR FM NORMAL:  -0.6   DPTR FM NORMAL:    0.43    2 = FOG REDUCING VISIBILITY
HIGHEST:    80 ON  7    GRTST 24HR  1.89 ON 29-29      TO 1/4 MILE OR LESS
LOWEST:     27 ON 15                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   4.7 INCHES  5 = HAIL
                        GRTST 24HR   3.0 ON 17-17  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 17     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:  10
MIN 32 OR BELOW:   3    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   492    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1  5558    CLOUDY (SCALE 8-10) 10
DPTR FM NORMAL  -509

[CDD (BASE 65) ]
TOTAL THIS MO.     1
DPTR FM NORMAL    -8    [PRESSURE DATA]
TOTAL FM JAN 1     1    HIGHEST SLP M ON M
DPTR FM NORMAL    -9    LOWEST  SLP 29.43 ON 12

[REMARKS]
#FINAL-04-20#