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Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Tuesday, October 31, 2017

Chicago Weather O'Hare Data Tuesday, October 31 2015

D
a
t
e
Time
(cst)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond.Temperature (ºF)Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
PressurePrecipitation (in.)
AirDwpt6 houraltimeter
(in)
sea level
(mb)
1 hr3 hr6 hr
Max.

3123:51S 7 10.00OvercastOVC1203626  67%30NA30.10??
3122:51S 610.00OvercastOVC120362667%31NA30.11??
3121:51SSW 610.00OvercastBKN110 OVC150372562%32NA30.11??0.00
3120:51S 710.00Mostly CloudyFEW130 BKN170362462%30NA30.09??0.00
3119:51SSW 510.00OvercastFEW040 SCT130 OVC150372459%33NA30.12??0.00
3118:51SSW 610.00OvercastSCT040 BKN150 OVC2503723

57%32NA30.13??0.00
3117:51SW 910.00OvercastSCT045 BKN160 OVC250382253%32NA30.13??0.00
3116:51SW 710.00OvercastSCT042 SCT160 BKN200 OVC250392353%34NA30.13??
3115:51SW 1310.00OvercastSCT043 OVC250392250%31NA30.13??
3114:51SW 810.00Mostly CloudySCT042 BKN250402249%34NA30.13??
3113:51WNW 910.50Mostly CloudySCT039 BKN250402147%34NA30.14??0.00
3112:51W 1210.00Mostly CloudyBKN039 BKN2503721

52%29NA30.17??0.00
3111:51W 1310.00Mostly Cloudy  BKN042371948%29NA30.18??
3110:51WNW 15 G2110.00Mostly CloudyBKN040382048%27NA30.18??0.00
3109:51W 15 G2210.00Mostly CloudyBKN039361950%26NA30.16??0.00
3108:51WNW 1510.00OvercastOVC040351952%25NA30.14??
0.00
3107:51WNW 17 G2410.00OvercastOVC037351952%25NA30.12??
3106:51WNW 1610.00Mostly CloudyBKN0403520

54%25NA30.09??
3105:51WNW G2810.00Mostly CloudyBKN048351748%26NA30.06??
3104:51W G2110.00OvercastOVC055351952%27NA30.03??
3103:51W G2410.00OvercastOVC048362052%27NA30.01??0.00
3102:51W G2310.00OvercastOVC0463620

52%26NA30.00??
0.00
3101:51WNW G3310.00OvercastOVC035362155%25NA29.98??
3100:51W 20  G2410.00OvercastOVC0383822

53%28NA29.95??

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS



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CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...

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941
CDUS43 KLOT 010633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT WED NOV 1 2017


...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 31 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         40    304 PM  84    1950  56    -16       61
  MINIMUM         34    703 AM  23    1873  39     -5       38
  AVERAGE         37                        47    -10       50

PRECIPITATION (IN)
  YESTERDAY        0.00          2.26 1994   0.10  -0.10     0.00
  MONTH TO DATE    8.70                      3.15   5.55     3.77
  SINCE SEP 1      9.02                      6.36   2.66     5.53
  SINCE JAN 1     40.76                     31.49   9.27    32.51

SNOWFALL (IN)
  YESTERDAY        0.0           T    1993   0.0    0.0      0.0
                                      1955
                                      1926
  MONTH TO DATE    T                         0.2   -0.2      0.0
  SINCE SEP 1      T                         0.2   -0.2      0.0
  SINCE JUL 1      T                         0.2   -0.2      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        18     10       15
  MONTH TO DATE  251                       397   -146      266
  SINCE SEP 1    288                       502   -214      289
  SINCE JUL 1    293                       515   -222      289

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   29                        11     18       24
  SINCE SEP 1    208                       103    105      189
  SINCE JAN 1    991                       843    148     1154
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70          1000 PM
 LOWEST     47           500 AM
 AVERAGE    59

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        81      1950
 MINIMUM TEMPERATURE (F)   38        21      1879


SUNRISE AND SUNSET
NOVEMBER  1 2017......SUNRISE   725 AM CDT   SUNSET   545 PM CDT
NOVEMBER  2 2017......SUNRISE   726 AM CDT   SUNSET   544 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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