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

Tuesday, September 15, 2015

Chicago Weather O'Hare Data Tuesday, September 15 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.

1523:51S 810.00A Few CloudsFEW250635165%NANA30.211022.6
1522:51S 910.00FairCLR655161%NANA30.211022.7
1521:51S 1010.00FairCLR705151%NANA30.201022.4
1520:51S 1010.00FairCLR725046%NANA30.181021.5
1519:51S 1210.00FairCLR725148%NANA30.171021.1
1518:51S 1310.00A Few CloudsFEW2507650827540%NA7830.161020.8
1517:51S 1310.00A Few CloudsFEW250795036%NA7930.161020.9
1516:51S 14 G 2610.00A Few CloudsFEW250814933%NA8030.161020.8
1515:51S 1710.00A Few CloudsFEW250825033%NA8130.161020.9
1514:51S 1610.00A Few CloudsFEW250825337%NA8130.171021.2
1513:51S 1610.00A Few CloudsFEW250815541%NA8130.191021.8
1512:51S 1310.00Mostly CloudyBKN2507955806444%NA8030.201022.3
1511:51S 1010.00Mostly CloudyBKN250765548%NA7830.221022.8
1510:51S 1410.00Mostly CloudyBKN250745654%NANA30.221023.1
1509:51S 910.00Mostly CloudyFEW110 BKN250725555%NANA30.221023.1
1508:51SW 910.00Mostly CloudyFEW110 BKN250685461%NANA30.211022.8
1507:51S 710.00Mostly CloudyFEW110 BKN250665465%NANA30.201022.5
1506:51S 910.00Mostly CloudySCT110 BKN2506454706470%NANA30.191022.0
1505:51S 1010.00Mostly CloudyBKN110 BKN250655468%NANA30.181021.4
1504:51SW 1010.00Partly CloudySCT100675566%NANA30.161020.9
1503:51SW 13 G 2510.00Partly CloudySCT100685563%NANA30.151020.5
1502:51SW 1210.00Mostly CloudyBKN100685563%NANA30.131020.0
1501:51SW 1310.00A Few CloudsFEW090685563%NANA30.131019.7


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 Tuesday, September 15, 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 160704
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
203 AM CDT WED SEP 16 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 15 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         82    342 PM  99    1939  75      7       62
  MINIMUM         62   1145 PM  39    2007  55      7       51
  AVERAGE         72                        65      7       57

PRECIPITATION (IN)
  YESTERDAY        0.00          1.38 1936   0.10  -0.10      T
  MONTH TO DATE    1.42                      1.65  -0.23     2.58
  SINCE SEP 1      1.42                      1.65  -0.23     2.58
  SINCE JAN 1     25.04                     26.78  -1.74    34.66

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        8
  MONTH TO DATE   18                        26     -8       61
  SINCE SEP 1     18                        26     -8       61
  SINCE JUL 1     36                        39     -3       66

 COOLING
  YESTERDAY        7                         3      4        0
  MONTH TO DATE  125                        66     59       68
  SINCE SEP 1    125                        66     59       68
  SINCE JAN 1    766                       806    -40      783
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    11.5


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    68           400 AM
 LOWEST     33           300 PM
 AVERAGE    51

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        92      1955
                                             1931
 MINIMUM TEMPERATURE (F)   54        37      1984


SUNRISE AND SUNSET
SEPTEMBER 16 2015.....SUNRISE   632 AM CDT   SUNSET   700 PM CDT
SEPTEMBER 17 2015.....SUNRISE   633 AM CDT   SUNSET   658 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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