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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Monday, September 25, 2017

Chicago Weather O'Hare Data Wednesday, September 20 2017 and Chicago Weather Forecast Wednesday, September 20 2017

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.
2023:51S 910.00OvercastFEW100 OVC250806764%NA8229.921012.5
2022:51SW 910.00Mostly CloudyBKN250816661%NA8329.931012.7
2021:51SW 710.00Partly CloudySCT250826658%NA8429.901011.8
2020:51S 1210.00Partly CloudyFEW055 SCT250836657%NA8529.861010.6
2019:51S 1010.00Partly CloudyFEW055 SCT250846655%NA8629.851010.4
2018:51S 1310.00A Few CloudsFEW055 FEW2508766928750%NA8929.841009.9
2017:51S 23 G 2610.00Fair and BreezyCLR906544%NA9229.851010.2
2016:51S 2010.00A Few CloudsFEW050916644%NA9429.841009.9
2015:51S 21 G 2610.00A Few Clouds and BreezyFEW047926744%NA9629.851010.1
2014:51S 1710.00Partly CloudyFEW047 FEW100 SCT250916745%NA9429.861010.7
2013:51S 14 G 2110.00Partly CloudyFEW048 FEW100 SCT250916745%NA9429.891011.4
2012:51SW 10 G 2110.00A Few CloudsFEW048 FEW1008967896648%NA9229.901012.0
2011:51S 1210.00Mostly CloudySCT100 BKN250876650%NA8929.911012.1
2010:51S 1010.00A Few CloudsFEW250836759%NA8629.891011.8
2009:51S 1010.00A Few CloudsFEW250786667%NA8029.901012.0
2008:51SE 1210.00A Few CloudsFEW070 FEW250736576%NANA29.911012.3
2007:51SE 98.00A Few CloudsFEW070696587%NANA29.911012.6
2006:51SE 76.00Fog/MistFEW0706663666290%NANA29.921012.8
2005:51SE 74.00Fog/MistFEW065646293%NANA29.921012.7
2004:51SE 54.00Fog/MistFEW070646293%NANA29.921012.8
2003:51SE 34.00Fog/MistCLR646293%NANA29.911012.6
2002:51SE 56.00Fog/MistCLR636193%NANA29.901012.0
2001:51SE 56.00Fog/MistCLR636193%NANA29.901012.2
2000:51SE 58.00FairCLR6461716490%NANA29.921012.7

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



FORECAST:
Chicago Weather Forecast

Chicago Weather Radar


Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel.




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

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726
CDUS43 KLOT 210635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU SEP 21 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 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         92R   329 PM  91    1931  73     19       83
                                      1895
  MINIMUM         62    227 AM  36    1991  52     10       66
  AVERAGE         77                        63     14       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.33 2001   0.11  -0.11      T
  MONTH TO DATE    0.32                      2.18  -1.86     0.59
  SINCE SEP 1      0.32                      2.18  -1.86     0.59
  SINCE JAN 1     32.06                     27.31   4.75    27.57

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   29                        44    -15        1
  SINCE SEP 1     29                        44    -15        1
  SINCE JUL 1     34                        57    -23        1

 COOLING
  YESTERDAY       12                         2     10       10
  MONTH TO DATE   76                        78     -2      133
  SINCE SEP 1     76                        78     -2      133
  SINCE JAN 1    859                       818     41     1098
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     44           100 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        92      1970
 MINIMUM TEMPERATURE (F)   52        39      1991
                                             1983
                                             1889


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   638 AM CDT   SUNSET   650 PM CDT
SEPTEMBER 22 2017.....SUNRISE   639 AM CDT   SUNSET   648 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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HOMETOWN WEATHER: Arlington Heights Weather Forecast -- Arlingtoncardinal.com/weather

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SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...