December 2010 Weather History at Chicago O'Hare International Airport Illinois, United States

This report shows the past weather for Chicago O'Hare International Airport, providing a weather history for December 2010. It features all historical weather data series we have available, including the Chicago O'Hare International Airport temperature history for December 2010. You can drill down from year to month and even day level reports by clicking on the graphs.

Chicago O'Hare International Airport Temperature History December 2010

Temperature history in December 2010 at Chicago O'Hare International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°FNovJan
The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.

Hourly Temperature in December 2010 at Chicago O'Hare International Airport

Hourly Temperature in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJanfrigidfreezingvery cold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
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Cloud Cover in December 2010 at Chicago O'Hare International Airport

Cloud Cover in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
no significant cloudno cloud detectedceiling and visibility ok
The hourly reported cloud coverage, categorized by the percentage of the sky covered by clouds.

Daily Precipitation in December 2010 at Chicago O'Hare International Airport

Daily Precipitation in December 2010 at Chicago O'Hare International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 inNovJan
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in December 2010 at Chicago O'Hare International Airport

Snow Depth in December 2010 at Chicago O'Hare International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 in0 in2 in2 in4 in4 in6 in6 in8 in8 inNovJan
The daily measured snow depth, where available.

Observed Weather in December 2010 at Chicago O'Hare International Airport

Observed Weather in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
foghazedrizzlelight rainmoderate rainheavy rainfreezing rainsleetsnow grainslight snowmoderate snowheavy snowhailthunderstorm
The hourly observed weather, color coded by category (in order of severity). If multiple reports are present, the most severe code is shown.
DayObservationsPrecipitationCodes
Wed, Dec 1 Light Snow0.00 inIWC71, IWCA71, -SN
Fri, Dec 3 Light Snow0.00 inIWC71, IWCA71, -SN
Sat, Dec 4 Heavy Snow, Snow, Light Snow, Fog, Freezing Fog, Mist, Sky-Obscuring Freezing Fog0.50 inIWC75, IWCA73, +SN, IWC73, IWCA72, SN, IWC71, IWCA71, -SN, IWC44, IWCA30, FG, IWC48, IWCA35, FZFG, IWC10, IWCA10, BR, IWC49
Sun, Dec 5 Light Snow0.00 inIWC71, IWCA71, -SN
Mon, Dec 6 Light Snow0.00 inIWC71, IWCA71, -SN
Thu, Dec 9 Light Snow, Haze, Mist0.03 inIWC71, IWCA71, -SN, IWC05, HZ, IWC10, IWCA10, BR
Fri, Dec 10 Haze, Mist0.00 inIWC05, HZ, IWC10, IWCA10, BR
Sat, Dec 11 Light Snow, Rain, Light Rain, Mist0.46 inIWC71, IWCA71, -SN, IWC63, IWCA62, RA, IWC61, IWCA61, -RA, IWC10, IWCA10, BR
Sun, Dec 12 Light Snow, Blowing Snow/Sand, Freezing Fog, Mist, Blowing Snow, High Drifting Snow0.04 inIWC71, IWCA71, -SN, IWCA27, IWC48, IWCA35, FZFG, IWC10, IWCA10, BR, BLSN, IWC38
Mon, Dec 13 Light Snow0.00 inIWC71, IWCA71, -SN
Thu, Dec 16 Light Snow, Mist0.01 inIWC71, IWCA71, -SN, IWC10, IWCA10, BR
Fri, Dec 17 Mist0.00 inIWC10, IWCA10, BR
Sat, Dec 18 Mist0.00 inIWC10, IWCA10, BR
Mon, Dec 20 Light Snow, Mist0.20 inIWC71, IWCA71, -SN, IWC10, IWCA10, BR
Tue, Dec 21 Light Snow, Light Freezing Drizzle, Freezing Fog, Mist, Patches of Fog, Sky-Obscuring Freezing Fog0.02 inIWC71, IWCA71, -SN, IWC56, IWCA54, -FZDZ, IWC48, IWCA35, FZFG, IWC10, IWCA10, BR, IWC41, IWC49
Wed, Dec 22 Small Hail and Snow, Snow, Light Snow, Ice Pellets, Showers of Snow Pellets/Small Hail, Mist0.00 inGSSN, IWC73, IWCA72, IWC71, IWCA71, -SN, IWC79, IWC88, IWC10, IWCA10, BR
Fri, Dec 24 Light Snow, Mist0.21 inIWC71, IWCA71, -SN, IWC10, IWCA10, BR
Sat, Dec 25 Light Snow, Mist0.07 inIWC71, IWCA71, -SN, IWC10, IWCA10, BR
Sun, Dec 26 Light Snow, Freezing Fog, Mist0.17 inIWC71, IWCA71, -SN, IWC48, IWCA35, FZFG, IWC10, IWCA10, BR
Mon, Dec 27 Mist0.00 inIWC10, IWCA10, BR
Tue, Dec 28 Mist0.00 inIWC10, IWCA10, BR
Wed, Dec 29 Light Rain, Mist0.01 inIWC61, IWCA61, -RA, IWC10, IWCA10, BR
Thu, Dec 30 Light Rain, Light Drizzle, Mist0.00 inIWC61, IWCA61, -RA, IWC51, IWCA51, -DZ, IWC10, IWCA10, BR
Fri, Dec 31 Thunderstorm, Thunderstorm with Rain, Rain, Showers of Rain, Light Rain, Showers of Light Rain, Mist0.68 inIWCA90, IWC95, TSRA, IWCA62, IWC63, RA, IWC81, IWC61, IWCA61, -RA, IWC80, IWC10, IWCA10, BR

Hours of Daylight and Twilight in December 2010 at Chicago O'Hare International Airport

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

Sunrise & Sunset with Twilight in December 2010 at Chicago O'Hare International Airport

Sunrise & Sunset with Twilight in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PMNovJan7:00 AM7:00 AMDec 14:21 PMDec 14:21 PM7:19 AM7:19 AMDec 314:30 PMDec 314:30 PM7:06 AM7:06 AMDec 84:20 PMDec 84:20 PM7:16 AM7:16 AMDec 214:23 PMDec 214:23 PM
The solar day over the course of December 2010. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Solar Elevation and Azimuth in December 2010 at Chicago O'Hare International Airport

Solar Elevation and Azimuth in December 2010 at Chicago O'Hare International AirportDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNovJan00101020200010102020
northeastsouthwest
Solar elevation and azimuth over the course of December 2010. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

Moon Rise, Set & Phases in December 2010 at Chicago O'Hare International Airport

Moon Rise, Set & Phases in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanDec 511:36 AMDec 511:36 AMDec 212:14 AMDec 212:14 AMJan 43:03 AMJan 43:03 AM7:05 AM7:05 AM4:16 PM4:16 PM3:50 PM3:50 PM7:33 AM7:33 AM7:27 AM7:27 AM5:07 PM5:07 PM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Dec 2010IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
21%2:21 AMESE1:26 PMWSW-7:54 AMS229,683 mi
2
12%3:35 AMESE1:59 PMWSW-8:47 AMS230,293 mi
3
5%4:48 AMESE2:38 PMWSW-9:43 AMS231,461 mi
4
1%5:59 AMESE3:23 PMWSW-10:41 AMS233,212 mi
5
0%7:05 AMESE4:16 PMWSW-11:41 AMS235,502 mi
6
1%8:03 AMESE5:16 PMWSW-12:39 PMS238,207 mi
7
5%8:51 AMESE6:19 PMWSW-1:35 PMS241,137 mi
8
10%9:31 AMESE7:23 PMWSW-2:27 PMS244,059 mi
9
18%10:04 AMESE8:27 PMWSW-3:15 PMS246,733 mi
10
26%10:32 AMESE9:28 PMWSW-3:59 PMS248,933 mi
11
35%10:56 AME10:29 PMW-4:42 PMS250,474 mi
12
44%11:19 AME11:28 PMW-5:22 PMS251,224 mi
13
50%11:41 AME--6:02 PMS251,115 mi
14
64%-12:27 AMW12:04 PME6:43 PMS250,147 mi
15
73%-1:27 AMWNW12:28 PMENE7:25 PMS248,390 mi
16
81%-2:28 AMWNW12:55 PMENE8:10 PMS245,981 mi
17
89%-3:31 AMWNW1:28 PMENE8:58 PMS243,114 mi
18
95%-4:35 AMWNW2:06 PMENE9:50 PMS240,027 mi
19
98%-5:39 AMWNW2:53 PMENE10:45 PMS236,978 mi
20
100%-6:39 AMWNW3:50 PMENE11:43 PMS234,216 mi
21
100%-7:33 AMWNW4:55 PMENE--
22
99%-8:20 AMWNW6:06 PMENE12:40 AMS231,945 mi
23
95%-9:00 AMWNW7:19 PMENE1:37 AMS230,296 mi
24
89%-9:34 AMWNW8:34 PMENE2:31 AMS229,311 mi
25
80%-10:04 AMW9:47 PME3:22 AMS228,958 mi
26
70%-10:33 AMW10:59 PME4:12 AMS229,148 mi
27
50%-11:00 AMW-5:01 AMS229,772 mi
28
47%12:12 AME11:29 AMWSW-5:51 AMS230,730 mi
29
35%1:24 AMESE12:00 PMWSW-6:42 AMS231,948 mi
30
24%2:36 AMESE12:36 PMWSW-7:36 AMS233,385 mi
31
15%3:46 AMESE1:17 PMWSW-8:32 AMS235,032 mi

Humidity Comfort Levels in December 2010 at Chicago O'Hare International Airport

Humidity Comfort Levels in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The hourly reported humidity comfort level, categorized by dew point. The shaded overlays indicate night and civil twilight.

Wind Speed in December 2010 at Chicago O'Hare International Airport

Wind Speed in December 2010 at Chicago O'Hare International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphNovJan
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in December 2010 at Chicago O'Hare International Airport

Hourly Wind Speed in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
0 mph calm 1 mph light air 4 mph light breeze 8 mph gentle breeze 13 mph moderate breeze 18 mph fresh breeze 25 mph strong breeze 31 mph near gale 39 mph gale 47 mph strong gale 55 mph storm 64 mph violent storm 73 mph hurricane force
The hourly reported wind speed, color coded into bands according to the Beaufort scale. The shaded overlays indicate night and civil twilight.

Hourly Wind Direction in 2010 at Chicago O'Hare International Airport

Hourly Wind Direction in 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in December 2010 at Chicago O'Hare International Airport

Atmospheric Pressure in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.4 inHg29.4 inHg29.6 inHg29.6 inHg29.8 inHg29.8 inHg30.0 inHg30.0 inHg30.2 inHg30.2 inHg30.4 inHg30.4 inHg30.6 inHg30.6 inHgNovJan
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

Number of Reports by Day in December 2010 at Chicago O'Hare International Airport Winter 2010

Number of Reports by Day in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313100242448487272NovJan
regularspecialcorrection
The number of reports per day.

Reports by Hour in December 2010 at Chicago O'Hare International Airport Winter 2010

Reports by Hour in December 2010 at Chicago O'Hare International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
regularspecialcorrection
Indication of what types of reports were recorded during each hour.

This report graphically illustrates the historical weather reports recorded by the weather station at Chicago O'Hare International Airport in December 2010.

METAR Reports

Airport weather stations throughout the world routinely issue METAR weather reports . Such reports are used by pilots, air traffic controllers, meteorologists, climatologists, and other researchers. They are published via radio transmission and on the internet. We have been collecting and archiving published METAR reports since 2011, and have found third-party sources for archived reports from years prior to that.

ISD Reports

The Integrated Surface Database (ISD), maintained and published by NOAA's National Center for Environmental Information , consists of hourly and synoptic weather reports from a variety of sources. We use ISD data to complement and backfill for our METAR archive.

Other Data

The sources for the averages shown in the daily temperature chart are discussed in greater detail on this station's Averages Report.

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

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