WFO Monthly/Daily Climate Data
Issued by NWS

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414
CXUS53 KLOT 110800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     MAY
                                          YEAR:      2026
                                          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  50  35  43 -12  22   0 0.03  0.0    0  8.1 17 350   M    M   7 1      27 360
 2  57  32  45 -11  20   0 0.00  0.0    0  5.5 15 340   M    M   4        21 250
 3  68  45  57   1   8   0    T  0.0    0 14.1 29 240   M    M   5        44 190
 4  80  51  66  10   0   1 0.19  0.0    0 11.8 25 220   M    M   4 3      35 330
 5  61  46  54  -3  11   0 0.03  0.0    0  9.9 18  10   M    M  10        23 320
 6  58  41  50  -7  15   0 0.00  0.0    0  8.4 21 270   M    M   6        30 300
 7  60  37  49  -9  16   0 0.02  0.0    0  7.5 25 260   M    M   4 3      39 250
 8  67  38  53  -5  12   0 0.00  0.0    0  6.3 15 220   M    M   6 1      22 210
 9  75  48  62   4   3   0 0.00  0.0    0 11.2 25 290   M    M   5        41 280
10  65  40  53  -5  12   0 0.00  0.0    0  6.9 16 320   M    M   3        26 320
================================================================================
SM  641  413       119   1  0.27  0.0     89.7          M       54
================================================================================
AV 64.1 41.3                               9.0 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    29 240                 44 190
================================================================================
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:     MAY
                                          YEAR:      2026
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 52.7   TOTAL FOR MONTH:   0.27    1 = FOG OR MIST
DPTR FM NORMAL:  -4.2   DPTR FM NORMAL:   -1.20    2 = FOG REDUCING VISIBILITY
HIGHEST:    80 ON  4    GRTST 24HR  0.22 ON  4- 5      TO 1/4 MILE OR LESS
LOWEST:     32 ON  2                               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:   4
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   119    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    30    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  5474    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -360

[CDD (BASE 65) ]
TOTAL THIS MO.     1
DPTR FM NORMAL    -9    [PRESSURE DATA]
TOTAL FM JAN 1    20    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.44 ON  4

[REMARKS]