Winter 2013 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 the winter of 2013. It features all historical weather data series we have available, including the Chicago O'Hare International Airport temperature history for the winter of 2013. 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 in the Winter of 2013

Temperature history in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb-20°F-20°F-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°FFallSpring
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 the Winter of 2013 at Chicago O'Hare International Airport

Hourly Temperature in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpringfrigid
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 the Winter of 2013 at Chicago O'Hare International Airport

Cloud Cover in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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 the Winter of 2013 at Chicago O'Hare International Airport

Daily Precipitation in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 inFallSpring
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in the Winter of 2013 at Chicago O'Hare International Airport

Snow Depth in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb0 in0 in5 in5 in10 in10 in15 in15 inFallSpring
The daily measured snow depth, where available.

Observed Weather in the Winter of 2013 at Chicago O'Hare International Airport

Observed Weather in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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
Sun, Dec 1 MistBR
Mon, Dec 2 Light Rain, Light Drizzle, Mist0.07 in-RA, -DZ, BR
Tue, Dec 3 Rain, Light Drizzle, Mist0.02 inRA, -DZ, BR
Wed, Dec 4 Light Drizzle, Mist0.02 in-DZ, BR
Sun, Dec 8 Light Snow, Mist0.24 in-SN, BR
Mon, Dec 9 Light Snow, Mist0.00 in-SN, BR
Tue, Dec 10 Light Snow0.00 in-SN
Wed, Dec 11 Light Snow, Mist0.05 in-SN, BR
Fri, Dec 13 Light Snow, Mist0.01 in-SN, BR
Sat, Dec 14 Snow, Light Snow, Mist0.21 inSN, -SN, BR
Sun, Dec 15 Light Snow0.00 in-SN
Mon, Dec 16 Snow, Light Snow, Freezing Fog, Mist0.05 inSN, -SN, FZFG, BR
Tue, Dec 17 Light Snow, Mist0.01 in-SN, BR
Thu, Dec 19 Light Drizzle, Haze, Mist0.06 in-DZ, HZ, BR
Fri, Dec 20 Rain, Light Rain, Light Drizzle, Mist0.33 inRA, -RA, -DZ, BR
Sat, Dec 21 Light Rain, Fog, Freezing Fog, Mist0.15 in-RA, FG, FZFG, BR
Sun, Dec 22 Light Snow, Light Snow and Ice Pellets, Rain and Ice Pellets, Light Freezing Drizzle, Light Drizzle, Mist0.17 in-SN, -SNPL, RAPL, -FZDZ, -DZ, BR
Mon, Dec 23 Light Snow, Mist0.00 in-SN, BR
Tue, Dec 24 Light Snow0.01 in-SN
Wed, Dec 25 Light Snow, Mist0.06 in-SN, BR
Thu, Dec 26 Light Snow0.00 in-SN
Fri, Dec 27 Haze, MistHZ, BR
Sun, Dec 29 Light Freezing Drizzle and Snow, Light Snow and Drizzle, Light Freezing Drizzle, Light Drizzle0.01 in-FZDZSN, -SNDZ, -FZDZ, -DZ
Mon, Dec 30 Light Snow0.04 in-SN
Tue, Dec 31 Light Snow0.30 in-SN
Wed, Jan 1 Snow, Light Snow, Haze, Mist, Blowing Snow0.24 inSN, -SN, HZ, BR, BLSN
Thu, Jan 2 Heavy Snow, Snow, Light Snow, Mist, Blowing Snow0.22 in+SN, SN, -SN, BR, BLSN
Fri, Jan 3 Blowing SnowBLSN
Sat, Jan 4 Snow, Light Snow, Freezing Fog, Mist0.26 inSN, -SN, FZFG, BR
Sun, Jan 5 Heavy Snow, Snow, Light Snow, Mist, Blowing Snow0.55 in+SN, SN, -SN, BR, BLSN
Wed, Jan 8 Patches of FogBCFG
Thu, Jan 9 Light Snow, Haze, Mist0.01 in-SN, HZ, BR
Fri, Jan 10 Light Freezing Drizzle, Rain, Light Rain, Light Drizzle, Haze, Mist0.79 in-FZDZ, RA, -RA, -DZ, HZ, BR
Sat, Jan 11 Light Rain, Light Drizzle, Haze, Fog, Mist0.07 in-RA, -DZ, HZ, FG, BR
Sun, Jan 12 HazeHZ
Tue, Jan 14 Light Snow, Haze0.01 in-SN, HZ
Wed, Jan 15 Light Snow0.00 in-SN
Thu, Jan 16 Light Snow0.01 in-SN
Fri, Jan 17 Light Snow0.01 in-SN
Sat, Jan 18 Snow, Light Snow, Mist, Shallow Fog0.12 inSN, -SN, BR, MIFG
Sun, Jan 19 MistBR
Mon, Jan 20 Snow, Light Snow, Blowing Snow0.17 inSN, -SN, BLSN
Tue, Jan 21 Snow, Light Snow, Blowing Snow0.08 inSN, -SN, BLSN
Wed, Jan 22 Light Snow, Blowing Snow0.00 in-SN, BLSN
Fri, Jan 24 Light Snow, Blowing Snow0.02 in-SN, BLSN
Sat, Jan 25 Light Snow, Light Freezing Drizzle, Light Freezing Rain0.00 in-SN, -FZDZ, -FZRA
Sun, Jan 26 Snow, Light Snow, Blowing Snow0.07 inSN, -SN, BLSN
Thu, Jan 30 Light Snow, Haze0.00 in-SN, HZ
Fri, Jan 31 Light Snow0.01 in-SN
Sat, Feb 1 Heavy Snow, Snow, Light Snow, Haze, Mist0.41 in+SN, SN, -SN, HZ, BR
Tue, Feb 4 Light Snow, Mist0.08 in-SN, BR
Wed, Feb 5 Snow, Light Snow, Mist, Blowing Snow0.35 inSN, -SN, BR, BLSN
Thu, Feb 6 Light Snow0.00 in-SN
Sat, Feb 8 Snow, Light Snow, Haze0.07 inSN, -SN, HZ
Sun, Feb 9 Light Snow0.00 in-SN
Thu, Feb 13 Light Snow0.00 in-SN
Sat, Feb 15 Light Snow0.04 in-SN
Sun, Feb 16 Light Snow0.00 in-SN
Mon, Feb 17 Heavy Snow, Snow, Light Snow, Haze, Freezing Fog, Mist, Blowing Snow0.35 in+SN, SN, -SN, HZ, FZFG, BR, BLSN
Tue, Feb 18 Haze, MistHZ, BR
Thu, Feb 20 Thunderstorm with Ice Pellets and Rain, Thunderstorm with Light Rain, Thunderstorm with Rain, Ice Pellets and Rain, Light Ice Pellets and Rain, Heavy Rain, Rain, Light Rain, Fog, Mist1.16 inTSPLRA, -TSRA, TSRA, PLRA, -PLRA, +RA, RA, -RA, FG, BR
Fri, Feb 21 Light Snow, Blowing Snow0.00 in-SN, BLSN
Thu, Feb 27 Light Snow, Haze0.00 in-SN, HZ

Hours of Daylight and Twilight in the Winter of 2013 at Chicago O'Hare International Airport

Hours of Daylight and Twilight in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 219 hr, 7 minDec 219 hr, 7 minnightnightdaydayDec 19 hr, 21 minDec 19 hr, 21 minFeb 2811 hr, 12 minFeb 2811 hr, 12 min
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 and Daylight Saving Time in the Winter of 2013 at Chicago O'Hare International Airport

Sunrise & Sunset with Twilight and Daylight Saving Time in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 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 AMFallSpring6:28 AM6:28 AMFeb 285:40 PMFeb 285:40 PM7:07 AM7:07 AMDec 84:20 PMDec 84:20 PM7:19 AM7:19 AMJan 34:32 PMJan 34:32 PM
The solar day over the course of the Winter of 2013. 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 the Winter of 2013 at Chicago O'Hare International Airport

Solar Elevation and Azimuth in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 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 AMFallSpring010203001020
northeastsouthwest
Solar elevation and azimuth in the the winter of 2013. 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 the Winter of 2013 at Chicago O'Hare International Airport

Moon Rise, Set & Phases in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringNov 36:51 AMNov 36:51 AMNov 179:16 AMNov 179:16 AMDec 26:23 PMDec 26:23 PMDec 173:29 AMDec 173:29 AMJan 15:15 AMJan 15:15 AMJan 1510:53 PMJan 1510:53 PMJan 303:39 PMJan 303:39 PMFeb 145:54 PMFeb 145:54 PMMar 12:00 AMMar 12:00 AMMar 1612:09 PMMar 1612:09 PMMar 301:45 PMMar 301:45 PM6:30 AM6:30 AM4:04 PM4:04 PM6:38 AM6:38 AM6:24 AM6:24 AM4:25 PM4:25 PM4:11 PM4:11 PM7:09 AM7:09 AM7:07 AM7:07 AM4:43 PM4:43 PM7:09 AM7:09 AM6:30 AM6:30 AM5:27 PM5:27 PM6:45 AM6:45 AM6:31 PM6:31 PM6:16 PM6:16 PM6:45 AM6:45 AM7:28 PM7:28 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.

Humidity Comfort Levels in the Winter of 2013 at Chicago O'Hare International Airport

Humidity Comfort Levels in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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 the Winter of 2013 at Chicago O'Hare International Airport

Wind Speed in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mphFallSpring
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Winter of 2013 at Chicago O'Hare International Airport

Hourly Wind Speed in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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 2013 at Chicago O'Hare International Airport

Hourly Wind Direction in 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Winter of 2013 at Chicago O'Hare International Airport

Atmospheric Pressure in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb29.0 inHg29.0 inHg29.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHgFallSpring
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 the Winter of 2013 at Chicago O'Hare International Airport 2013

Number of Reports by Day in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb005050100100FallSpring
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Winter of 2013 at Chicago O'Hare International Airport 2013

Reports by Hour in the Winter of 2013 at Chicago O'Hare International AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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 the winter of 2013.

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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