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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

Sunday, October 31, 2010

OCTOBER CHICAGO NORMALS FOR TEMPERATURE, PRECIPITATION, SNOWFALL (1981-2010)

JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC

Day of MonthHighLowAverageHDDCDDPrecipitationSnowfall
1684858810.100.0
2684758810.090.0
3684757910.110.0
4674657910.100.0
5674656910.100.0
66646561010.100.0
76645561010.100.0
86645551010.090.0
96545551110.110.1
106544541110.100.0
116444541100.100.0
126444541200.100.0
136444541200.100.0
146343531200.100.0
156343531200.100.0
166243521300.090.0
176242521300.100.0
186242521300.110.0
196142521400.100.1
206142511400.100.0
216041511400.100.0
226041501500.110.0
236041501500.100.0
245941501500.100.0
255940501600.100.0
265840491600.110.0
275840491600.110.0
285839481700.110.1
295739481700.100.0
305739481700.110.0
315639471800.100.0
MONTH62.342.852.5397113.150.3






HDD = A Heating Degree Day represents the number of degree(s) that the mean temperature for the day is below 65 degrees during a day.

CDD = A Cooling Degree Day represents the number of degree(s) that the mean temperature for the day is above 65 degrees during a day.

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

Chicago Temperature and Precipitation Records for October

JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC

OCTOBER RECORD HIGHS…LOWS…AND PRECIPITATION FOR CHICAGO
DayRecord
High
Temp/Year
Record
Low
Max/Year
Record
High
Min/Year
Record
Low
Temp/Year
Record
Precipitation
Daily/Year
Record
Snow
Daily/Year
192/197149/196171/197132/19741.22/1911------
291/197148/188869/197128/19741.39/2006------
391/195447/199970/200529/19813.95/1954------
490/195147/201471/200532/19892.57/1991T/2014
588/199746/193269/200528/19802.01/1955T/1935
694/196346/195270/187928/19521.57/1955T/1935
787/200747/189667/200729/20011.39/1930T/2000
888/199741/189568/193927/19871.26/1884------
986/194943/196468/187930/20002.27/1954T/1925
1086/196239/190668/187927/19643.94/1954------
1187/192841/187566/197327/19961.47/1972T/1909
1284/196038/191767/192828/19881.40/19730.3/2006
1388/197545/190967/192025/19883.79/2001T/1986
1489/197543/193766/187927/19824.19/2017T/1986
1588/194744/194369/189728/18761.66/1967------
1687/196344/194368/187928/19911.41/1878T/2009
1786/195040/188067/201626/19483.61/1988T/1976
1887/195038/193065/191020/19482.09/19850.7/1989
1984/197136/193065/197921/19922.22/18853.8/1989
2086/195336/189568/197924/19301.65/19163.0/1952
2187/195339/191370/197926/19522.28/19331.9/1913
2287/195341/191366/192022/19822.81/1983T/1937
2385/196335/198164/192020/19811.40/19570.7/1929
2483/196340/198863/199117/19811.63/1918T/1959
2579/196329/188762/196314/18871.94/18830.3/1962
2684/196337/194263/193922/19421.60/20161.9/1957
2783/192734/192563/198424/19421.56/19472.7/1967
2880/199931/192558/189619/19251.53/18740.2/1920
2978/199929/192565/194619/19251.19/18751.2/1917
3085/195028/191762/197421/19880.83/19190.7/1923
3184/195031/187365/197423/18732.26/1994T/1993






CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

NWS OFFICIAL CHICAGO RECORDS O'HARE INTERNATIONAL AIRPORT (ORD)

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SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)