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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).

Thursday, September 21, 2017

Chicago Weather O'Hare Data Monday, September 18 2017 and Chicago Weather Forecast Monday, September 18 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.
1823:51NE 710.00OvercastSCT045 BKN080 BKN170 OVC250675976%NANA29.981014.7
1822:51NE 910.00OvercastFEW075 BKN170 OVC250665978%NANA30.001015.4
1821:51E 1010.00OvercastSCT075 BKN180 OVC250675873%NANA30.001015.5
1820:51NE 910.00Mostly CloudyBKN070 BKN250675771%NANA30.011016.0
1819:51NE 910.00Mostly CloudySCT075 BKN110 BKN250675668%NANA30.011016.1
1818:51NE 910.00Mostly CloudySCT075 SCT200 BKN2506857776868%NANA30.011016.0
1817:51E 1010.00Mostly CloudyFEW200 BKN250705457%NANA30.011016.2
1816:51NE 1010.00Mostly CloudyFEW030 FEW170 BKN250735350%NANA30.011016.0
1815:51E 810.00Partly CloudyFEW030 FEW170 SCT250745450%NANA30.031016.6
1814:51E 710.00Partly CloudyFEW030 FEW150 SCT250755245%NANA30.051017.4
1813:51NE 1210.00Partly CloudyFEW025 SCT250765142%NA7830.061017.4
1812:51E 910.00Partly CloudyFEW040 SCT2507654765847%NA7830.081018.2
1811:51E 610.00Partly CloudyFEW150 SCT250745145%NANA30.101019.0
1810:51NE 310.00Partly CloudyFEW150 SCT250735248%NANA30.111019.4
1809:51NE 710.00A Few CloudsFEW150 FEW250705457%NANA30.111019.4
1808:51N 510.00A Few CloudsFEW150 FEW250665568%NANA30.111019.2
1807:51N 710.00Partly CloudyFEW150 SCT250615272%NANA30.121019.6
1806:51N 710.00Partly CloudyFEW150 SCT2505851635878%NANA30.111019.4
1805:51N 710.00Partly CloudySCT250585178%NANA30.111019.2
1804:51N 610.00Partly CloudySCT250605172%NANA30.091018.7
1803:51N 510.00A Few CloudsFEW250595278%NANA30.091018.5
1802:51N 510.00A Few CloudsFEW250615375%NANA30.091018.6
1801:51N 510.00Partly CloudySCT250625475%NANA30.101018.9
1800:51NE 310.00Partly CloudySCT2506355766376%NANA30.121019.4

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

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



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

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000
CDUS43 KLOT 190634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE SEP 19 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 18 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         77    103 PM  94    1955  74      3       81
  MINIMUM         58    614 AM  40    1903  53      5       57
                                      1901
                                      1889
  AVERAGE         68                        64      4       69

PRECIPITATION (IN)
  YESTERDAY        0.00          2.41 2015   0.10  -0.10     0.00
  MONTH TO DATE    0.25                      1.96  -1.71     0.59
  SINCE SEP 1      0.25                      1.96  -1.71     0.59
  SINCE JAN 1     31.99                     27.09   4.90    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                        36     -7        1
  SINCE SEP 1     29                        36     -7        1
  SINCE JUL 1     34                        49    -15        1

 COOLING
  YESTERDAY        3                         2      1        4
  MONTH TO DATE   57                        74    -17      116
  SINCE SEP 1     57                        74    -17      116
  SINCE JAN 1    840                       814     26     1081
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     7.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           500 AM
 LOWEST     43           100 PM
 AVERAGE    62

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1955
 MINIMUM TEMPERATURE (F)   53        40      1991


SUNRISE AND SUNSET
SEPTEMBER 19 2017.....SUNRISE   636 AM CDT   SUNSET   654 PM CDT
SEPTEMBER 20 2017.....SUNRISE   637 AM CDT   SUNSET   652 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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