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December 2020 Weather History at Cairo Airport Illinois, United States

This report shows the past weather for Cairo Airport, providing a weather history for December 2020. It features all historical weather data series we have available, including the Cairo Airport temperature history for December 2020. You can drill down from year to month and even day level reports by clicking on the graphs.

Cairo Airport Temperature History December 2020

History:20222021JFMAMJJASONDec20192018
Temperature history in December 2020 at Cairo Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313110°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°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 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Hourly Temperature in December 2020 at Cairo Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJanvery coldcoldcool
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 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Cloud Cover in December 2020 at Cairo 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 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Daily Precipitation in December 2020 at Cairo 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.

Hours of Daylight and Twilight in December 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Hours of Daylight and Twilight in December 2020 at Cairo Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 219 hr, 37 minDec 219 hr, 37 minnightnightdaydayDec 19 hr, 48 minDec 19 hr, 48 minDec 319 hr, 40 minDec 319 hr, 40 minDec 119 hr, 40 minDec 119 hr, 40 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 in December 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Sunrise & Sunset with Twilight in December 2020 at Cairo Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan6:52 AM6:52 AMDec 14:39 PMDec 14:39 PM7:10 AM7:10 AMDec 314:50 PMDec 314:50 PM7:00 AM7:00 AMDec 114:40 PMDec 114:40 PM7:06 AM7:06 AMDec 214:43 PMDec 214:43 PM
The solar day over the course of December 2020. 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 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Solar Elevation and Azimuth in December 2020 at Cairo 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 AMNovJan001010202030001010202030
northeastsouthwest
Solar elevation and azimuth over the course of December 2020. 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 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Moon Rise, Set & Phases in December 2020 at Cairo Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 303:30 AMNov 303:30 AMDec 1410:17 AMDec 1410:17 AMDec 299:29 PMDec 299:29 PM4:24 PM4:24 PM7:01 AM7:01 AM6:59 AM6:59 AM4:49 PM4:49 PM4:27 PM4:27 PM7:44 AM7:44 AM
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 2020IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
99%-7:59 AMWNW5:43 PMENE12:28 AMS248,320 mi
2
97%-8:56 AMWNW6:33 PMENE1:19 AMS246,543 mi
3
92%-9:49 AMWNW7:29 PMENE2:11 AMS244,535 mi
4
85%-10:37 AMWNW8:30 PMENE3:05 AMS242,310 mi
5
77%-11:19 AMWNW9:35 PMENE3:57 AMS239,878 mi
6
67%-11:56 AMWNW10:41 PMENE4:48 AMS237,268 mi
7
50%-12:29 PMWNW11:48 PMENE5:38 AMS234,541 mi
8
45%-1:00 PMW-6:27 AMS231,811 mi
9
33%12:56 AME1:31 PMW-7:15 AMS229,247 mi
10
22%2:06 AME2:02 PMW-8:05 AMS227,066 mi
11
13%3:17 AMESE2:35 PMWSW-8:57 AMS225,512 mi
12
6%4:31 AMESE3:13 PMWSW-9:52 AMS224,817 mi
13
1%5:45 AMESE3:57 PMWSW-10:51 AMS225,147 mi
14
0%6:59 AMESE4:49 PMWSW-11:54 AMS226,559 mi
15
2%8:07 AMESE5:47 PMWSW-12:57 PMS228,969 mi
16
6%9:07 AMESE6:52 PMWSW-2:00 PMS232,163 mi
17
13%9:58 AMESE7:58 PMWSW-2:58 PMS235,832 mi
18
21%10:39 AMESE9:03 PMWSW-3:51 PMS239,634 mi
19
30%11:14 AMESE10:06 PMWSW-4:40 PMS243,246 mi
20
40%11:44 AMESE11:06 PMW-5:24 PMS246,400 mi
21
50%12:11 PME--6:06 PMS248,898 mi
22
60%-12:04 AMW12:36 PME6:47 PMS250,619 mi
23
69%-1:00 AMW1:00 PME7:27 PMS251,514 mi
24
78%-1:57 AMW1:26 PMENE8:07 PMS251,605 mi
25
85%-2:54 AMWNW1:53 PMENE8:49 PMS250,967 mi
26
92%-3:52 AMWNW2:23 PMENE9:34 PMS249,720 mi
27
96%-4:51 AMWNW2:58 PMENE10:22 PMS248,011 mi
28
99%-5:50 AMWNW3:39 PMENE11:12 PMS245,997 mi
29
100%-6:48 AMWNW4:27 PMENE--
30
100%-7:44 AMWNW5:22 PMENE12:05 AMS243,826 mi
31
99%-8:34 AMWNW6:23 PMENE12:59 AMS241,621 mi

Humidity Comfort Levels in December 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Humidity Comfort Levels in December 2020 at Cairo 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.
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Growing Degree Days in December 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Growing Degree Days in December 2020 at Cairo AirportDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310°F0°F1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°FNovJan
The growing degree days accumulated from reported temperatures over the course of December 2020 (solid black line), placed over the average accumulation (faint line), with 25th to 75th and 10th to 90th percentile bands. Gaps indicate days without enough temperature reports to calculate a complete daily value; totals following gaps may therefore be understated.

Atmospheric Pressure in December 2020 at Cairo Airport

History:20222021JFMAMJJASONDec20192018
Atmospheric Pressure in December 2020 at Cairo Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.6 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.

Reports by Month

Reports by Month at Cairo Airport1940195019601970198019902000201020202004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in December 2020 at Cairo Airport Winter 2020

Number of Reports by Day in December 2020 at Cairo Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131005050100100NovJan
regularspecialcorrection
The number of reports per day.

Reports by Hour in December 2020 at Cairo Airport Winter 2020

Reports by Hour in December 2020 at Cairo 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 Cairo Airport in December 2020.

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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