703
CXUS53 KLOT 030800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     APRIL
                                          YEAR:      2025
                                          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  45  33  39  -5  26   0 0.00  0.0    0 13.1 29 110   M    M   7        38 110
 2  71  40  56  11   9   0 1.25  0.0    0 14.4 28 120   M    M  10 13     39 210
================================================================================
SM  116   73        35   0  1.25  0.0     27.5          M       17
================================================================================
AV 58.0 36.5                              13.8 FASTST   M    M   9    MAX(MPH)
                                 MISC ---->    29 110                 39 210
================================================================================
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:      2025
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 47.3   TOTAL FOR MONTH:   1.25    1 = FOG OR MIST
DPTR FM NORMAL:   2.8   DPTR FM NORMAL:    1.05    2 = FOG REDUCING VISIBILITY
HIGHEST:    71 ON  2    GRTST 24HR  1.25 ON  2- 2      TO 1/4 MILE OR LESS
LOWEST:     33 ON  1                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  T            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:   1
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.    35    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    -6    PTCLDY (SCALE 4-7)   1
TOTAL FM JUL 1  4800    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -518

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL    -2    LOWEST  SLP 29.38 ON  2

[REMARKS]