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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 Sunday, September 17 2017 and Chicago Weather Forecast Sunday, September 17 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.
1723:51N 710.00Partly CloudyFEW150 SCT250645573%NANA30.121019.6
1722:51N 510.00A Few CloudsFEW150 FEW250655673%NANA30.121019.5
1721:51N 1010.00A Few CloudsFEW150 FEW250685768%NANA30.111019.2
1720:51NW 810.00Partly CloudyFEW080 FEW150 SCT250716068%NANA30.101018.8
1719:51NW 910.00Mostly CloudyFEW080 SCT200 BKN250736166%NANA30.071018.0
1718:51N 1310.00Mostly CloudyFEW045 FEW090 SCT200 BKN2507664867667%NA7830.051017.2
1717:51NW 1310.00Mostly CloudyFEW045 FEW090 BKN250796358%NA8130.041016.7
1716:51NW 1010.00Mostly CloudyFEW045 FEW070 SCT150 BKN250826455%NA8430.031016.5
1715:51NW 1010.00OvercastFEW049 SCT070 BKN150 OVC250836555%NA8530.021016.0
1714:51W 1010.00OvercastFEW060 SCT085 BKN100 OVC150856043%NA8530.021016.0
1713:51W 610.00OvercastFEW043 BKN090 OVC140836351%NA8430.031016.4
1712:51W 1310.00Mostly CloudySCT043 BKN1408563866948%NA8630.041016.7
1711:51Vrbl 610.00Partly CloudyFEW065 SCT140 SCT250836351%NA8430.031016.3
1710:51SW 610.00FairCLR806356%NA8130.041016.7
1709:51SW 39.00Mostly CloudyFEW090 BKN250766364%NA7830.051017.0
1708:51W 710.00Mostly CloudyFEW075 SCT090 BKN250726373%NANA30.061017.4
1707:51SW 510.00Mostly CloudySCT075 BKN090 BKN250716273%NANA30.051017.2
1706:51S 69.00Mostly CloudySCT065 BKN2506962746878%NANA30.051017.2
1705:51S 510.00Partly CloudySCT065 SCT250696278%NANA30.031016.4
1704:51S 610.00Partly CloudyFEW070 SCT250696176%NANA30.021016.1
1703:51S 710.00Partly CloudyFEW065 SCT250706173%NANA30.011015.8
1702:51S 810.00A Few CloudsFEW060 FEW250716171%NANA30.001015.4
1701:51S 910.00Partly CloudySCT060 SCT250746164%NANA30.011015.7
1700:51S 610.00Mostly CloudyBKN0657361827266%NANA30.031016.3


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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180
CDUS43 KLOT 180635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON SEP 18 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 17 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         86    204 PM  93    1955  75     11       82
  MINIMUM         63   1159 PM  37    1984  54      9       62
  AVERAGE         75                        64     11       72

PRECIPITATION (IN)
  YESTERDAY        0.00          2.42 1927   0.10  -0.10     0.04
  MONTH TO DATE    0.25                      1.86  -1.61     0.59
  SINCE SEP 1      0.25                      1.86  -1.61     0.59
  SINCE JAN 1     31.99                     26.99   5.00    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                         3     -3        0
  MONTH TO DATE   29                        32     -3        1
  SINCE SEP 1     29                        32     -3        1
  SINCE JUL 1     34                        45    -11        1

 COOLING
  YESTERDAY       10                         3      7        7
  MONTH TO DATE   54                        72    -18      112
  SINCE SEP 1     54                        72    -18      112
  SINCE JAN 1    837                       812     25     1077
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           500 AM
 LOWEST     44           200 PM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        94      1955
 MINIMUM TEMPERATURE (F)   53        40      1903
                                             1901
                                             1889


SUNRISE AND SUNSET
SEPTEMBER 18 2017.....SUNRISE   635 AM CDT   SUNSET   655 PM CDT
SEPTEMBER 19 2017.....SUNRISE   636 AM CDT   SUNSET   654 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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