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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

ARLINGTON HEIGHTS WEATHER

Thursday, September 17, 2015

Chicago Weather O'Hare Data Thursday, September 17 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.

1723:51S 17 G 2410.00OvercastFEW055 FEW085 BKN120 OVC160756469%NANA29.831009.4
1722:51S 1010.00Mostly CloudyFEW055 BKN090736679%NANA29.851010.50.02
1721:51S 10 G 2310.00Thunderstorm Light RainSCT065CB BKN080 OVC100736679%NANA29.871011.00.010.01
1720:51S 1210.00OvercastFEW065 SCT085 OVC110756571%NANA29.851010.5
1719:51S 710.00OvercastFEW055 OVC130756674%NANA29.881011.5
1718:51S 910.00Light RainSCT110 BKN140 OVC2507468856882%NANA29.871011.40.33
1717:51S 310.00Light RainSCT110 OVC130696690%NANA29.891011.90.09
1716:51W 121.50Thunderstorm Heavy Rain Fog/MistBKN042 BKN050CB BKN080 OVC250686590%NANA29.941013.50.24
1715:51S 17 G 2410.00Mostly CloudyFEW050 BKN095 BKN170 BKN250836453%NA8429.911012.3
1714:51S 18 G 2310.00Mostly CloudySCT050 SCT075 BKN160846451%NA8529.931012.9
1713:51S 17 G 2310.00Mostly CloudyFEW055 SCT075 BKN160856551%NA8729.961014.2
1712:51S 16 G 2310.00Partly CloudyFEW044 SCT060 SCT2508364836253%NA8429.981014.8
1711:51S 2010.00A Few CloudsFEW040 FEW250806254%NA8129.991015.1
1710:51S 14 G 2310.00Partly CloudyFEW040 SCT250776158%NA7930.011015.7
1709:51S 15 G 2310.00Partly CloudyFEW031 SCT038756060%NANA30.031016.5
1708:51S 1410.00Mostly CloudyBKN040705866%NANA30.041017.0
1707:51S 910.00Mostly CloudyBKN034675873%NANA30.051017.1

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 Thursday, September 17, 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 180634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI SEP 18 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 17 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         85    141 PM  93    1955  75     10       70
  MINIMUM         61    523 AM  37    1984  54      7       48
  AVERAGE         73                        64      9       59

PRECIPITATION (IN)
  YESTERDAY        0.36          2.42 1927   0.10   0.26     0.00
  MONTH TO DATE    1.78                      1.86  -0.08     2.58
  SINCE SEP 1      1.78                      1.86  -0.08     2.58
  SINCE JAN 1     25.40                     26.99  -1.59    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        6
  MONTH TO DATE   18                        32    -14       76
  SINCE SEP 1     18                        32    -14       76
  SINCE JUL 1     36                        45     -9       81

 COOLING
  YESTERDAY        8                         3      5        0
  MONTH TO DATE  138                        72     66       68
  SINCE SEP 1    138                        72     66       68
  SINCE JAN 1    779                       812    -33      783
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    11.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     51           100 PM
 AVERAGE    71

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


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 2015.....SUNRISE   635 AM CDT   SUNSET   656 PM CDT
SEPTEMBER 19 2015.....SUNRISE   636 AM CDT   SUNSET   655 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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