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

Sunday, September 20, 2015

Chicago Weather O'Hare Data Sunday, September 20 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.

2023:51SE 310.00A Few CloudsFEW250585281%NANA30.141020.5
2022:51E 810.00A Few CloudsFEW250625373%NANA30.141020.6
2021:51E 710.00A Few CloudsFEW250615272%NANA30.141020.6
2020:51E 710.00A Few CloudsFEW250625167%NANA30.141020.7
2019:51E 710.00A Few CloudsFEW120 FEW250635165%NANA30.131020.3
2018:51E 810.00A Few CloudsFEW120 FEW2506546736551%NANA30.121020.0
2017:51E 1010.00A Few CloudsFEW120 FEW250684340%NANA30.121019.9
2016:51E 910.00Partly CloudyFEW090 FEW120 SCT250704541%NANA30.121019.9
2015:51SE 1210.00Partly CloudyFEW050 FEW090 SCT250704744%NANA30.131020.2
2014:51E 510.00Partly CloudyFEW050 FEW090 SCT250724741%NANA30.141020.6
2013:51S 510.00Partly CloudySCT050 SCT100 SCT250704744%NANA30.161021.3
2012:51SE 610.00Mostly CloudySCT040 BKN3506948695147%NANA30.191022.1
2011:51Calm10.00Partly CloudyFEW040 SCT350674953%NANA30.201022.5
2010:51SE 310.00Mostly CloudySCT036 SCT250 BKN350675157%NANA30.211023.0
2009:51SW 710.00Partly CloudyFEW030 FEW250 SCT350635063%NANA30.221023.4
2008:51Calm10.00Mostly CloudyFEW025 FEW250 BKN350585281%NANA30.221023.2
2007:51SW 310.00Mostly CloudyFEW025 BKN250535089%NANA30.211023.2
2006:51Calm10.00Mostly CloudyFEW025 BKN2405148575089%NANA30.201022.5
2005:51Calm10.00Partly CloudyFEW050 SCT250514889%NANA30.181022.0
2004:51Calm10.00A Few CloudsFEW250514992%NANA30.161021.2
2003:51Calm10.00A Few CloudsFEW250524989%NANA30.151020.8

Complete data after midnight (may be delayed 24-48 hours).

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

SUMMARY: Developing

Weather Underground Historical 24-Hour Weather Radar for Sunday, September 20, 2015 …

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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000
CDUS43 KLOT 210636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT MON SEP 21 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73    141 PM  91    1931  73      0       77
                                      1895
  MINIMUM         50    550 AM  36    1991  52     -2       63
  AVERAGE         62                        63     -1       70

PRECIPITATION (IN)
  YESTERDAY        0.00          1.33 2001   0.11  -0.11     0.12
  MONTH TO DATE    4.24                      2.18   2.06     2.70
  SINCE SEP 1      4.24                      2.18   2.06     2.70
  SINCE JAN 1     27.86                     27.31   0.55    34.78

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        3                         4     -1        0
  MONTH TO DATE   24                        44    -20       79
  SINCE SEP 1     24                        44    -20       79
  SINCE JUL 1     42                        57    -15       84

 COOLING
  YESTERDAY        0                         2     -2        5
  MONTH TO DATE  143                        78     65       74
  SINCE SEP 1    143                        78     65       74
  SINCE JAN 1    784                       818    -34      789
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     4.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     39           500 PM
 AVERAGE    66

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


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 2015.....SUNRISE   638 AM CDT   SUNSET   651 PM CDT
SEPTEMBER 22 2015.....SUNRISE   639 AM CDT   SUNSET   649 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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