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

Wednesday, May 20, 2015

Chicago Weather O'Hare Data Wednesday, May 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.

2023:51NW 1010.00OvercastOVC050454083%40NA30.131020.4
2022:51W 710.00OvercastOVC050454083%41NA30.131020.6
2021:51NW 510.00OvercastOVC060443879%41NA30.131020.5
2020:51W 510.00OvercastOVC060443776%41NA30.131020.7
2019:51N 510.00OvercastBKN048 OVC070443879%41NA30.131020.7
2018:51N 810.00Light RainOVC0704337474180%38NA30.131020.60.010.04
2017:51N 98.00Light RainSCT050 OVC060423885%37NA30.161021.80.02
2016:51N 1210.00Light RainOVC055413786%34NA30.181022.40.01
2015:51N 1410.00Light RainBKN055 OVC070453261%39NA30.181022.5
2014:51NE 710.00OvercastBKN075 OVC090472746%44NA30.211023.4
2013:51N 1510.00OvercastOVC095462544%40NA30.221023.6
2012:51NE 1310.00OvercastOVC0954726484244%41NA30.221023.6
2011:51NE 1010.00OvercastBKN100 OVC150482642%44NA30.231024.1
2010:51NE 1210.00OvercastOVC110472644%42NA30.231024.0
2009:51NE 1310.00OvercastBKN110 BKN140 OVC210472848%41NA30.241024.2
2008:51E 1010.00OvercastBKN140 OVC250473052%42NA30.241024.4
2007:51E 510.00Mostly CloudyBKN140 BKN170 BKN250443058%41NA30.251024.6
2006:51NE 310.00Mostly CloudyBKN1404231423965%NANA30.241024.5
2005:51E 710.00Mostly CloudyFEW130 BKN200403170%35NA30.221023.8
2004:51NE 1010.00Mostly CloudyFEW130 BKN200403170%34NA30.201023.0
2003:51Calm10.00OvercastOVC230403068%NANA30.251024.6
2002:51NE 610.00Partly CloudySCT250402965%36NA30.241024.5
2001:51NE 310.00Mostly CloudySCT170 BKN250413065%NANA30.251024.8
2000:51N 510.00OvercastOVC1804129484062%38NA30.241024.3

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

SUMMARY: Developing

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 210632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU MAY 21 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 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         48   1111 AM  95    1977  71    -23       85
  MINIMUM         39    240 AM  33    2002  49    -10       62
  AVERAGE         44                        60    -16       74

PRECIPITATION (IN)
  YESTERDAY        0.04          2.54 1975   0.12  -0.08     0.82
  MONTH TO DATE    3.12                      2.36   0.76     4.73
  SINCE MAR 1      7.09                      8.24  -1.15     9.28
  SINCE JAN 1      9.95                     11.76  -1.81    14.58

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 MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                         6     15        0
  MONTH TO DATE  146                       170    -24      181
  SINCE MAR 1   1516                      1503     13     1694
  SINCE JUL 1   6696                      6237    459     7109

 COOLING
  YESTERDAY        0                         2     -2        9
  MONTH TO DATE   29                        20      9       25
  SINCE MAR 1     29                        30     -1       26
  SINCE JAN 1     29                        30     -1       26
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           400 PM
 LOWEST     42          1100 AM
 AVERAGE    64

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      1977
                                             1934
 MINIMUM TEMPERATURE (F)   50        31      2002


SUNRISE AND SUNSET
MAY 21 2015...........SUNRISE   526 AM CDT   SUNSET   811 PM CDT
MAY 22 2015...........SUNRISE   525 AM CDT   SUNSET   812 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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