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Spring 2012 Weather History at Cotopaxi International Airport Ecuador

This report shows the past weather for Cotopaxi International Airport, providing a weather history for the spring of 2012. It features all historical weather data series we have available, including the Cotopaxi International Airport temperature history for the spring of 2012. You can drill down from year to month and even day level reports by clicking on the graphs.

Cotopaxi International Airport Temperature History in the Spring of 2012

History:201620152014201320122011201020092008
Temperature history in the Spring of 2012 at Cotopaxi International AirportSepOctNov25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°FWinterSummer
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 Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Hourly Temperature in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummercoldcool
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 Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Cloud Cover in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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.

Observed Weather in the Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Observed Weather in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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
Sat, Sep 1 Precipitation in the VicinityIWC16, IWC15
Sun, Sep 2 Drizzle/Snow Grains, Distant Fog, Precipitation in the VicinityIWC20, IWC40, IWC15
Mon, Sep 3 Haze, Distant Fog, Precipitation in the VicinityIWC05, IWC40, IWC15
Tue, Sep 4 Patches of FogIWC11
Wed, Sep 5 Precipitation in the Vicinity, Showers in the VicinityIWC15, IWC16, VCSH
Thu, Sep 6 Distant Fog, Fog in the VicinityIWC40, VCFG
Fri, Sep 7 Precipitation in the Vicinity, Showers in the VicinityIWC15, VCSH
Sat, Sep 8 Distant Fog, Fog, Fog in the Vicinity, Increasing Fog, MistIWC40, FG, VCFG, IWC46, BR, IWC10
Mon, Sep 10 Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC40, VCFG, IWC16, IWC15, VCSH
Thu, Sep 13 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWC15, VCSH
Fri, Sep 14 HazeIWC05
Sat, Sep 15 Distant Fog, Fog in the VicinityIWC40, VCFG
Mon, Sep 17 Patches of Fog, Shallow FogIWC11, MIFG, IWC12
Wed, Sep 19 Shallow FogMIFG
Thu, Sep 20 Recent Thunderstorm, Thunderstorm, Thunderstorm with Light Rain, Thunderstorm with Rain, Recent Rain, Showers of Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, IWC29, -TSRA, IWC95, RERA, IWC80, IWC40, VCFG, IWC15, IWC16, VCSH
Fri, Sep 21 Thunderstorm in the Vicinity, Haze, Distant Fog, Fog in the VicinityIWC13, IWC05, IWC40, VCFG
Sun, Sep 23 Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC40, VCFG, IWC16, VCSH
Mon, Sep 24 Recent Thunderstorm, Thunderstorm, Thunderstorm with Rain, Showers of Rain, Smoke, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, TSRA, IWC95, IWC81, IWC04, IWC40, VCFG, FU, IWC16, VCSH
Tue, Sep 25 Showers of Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the Vicinity-SHRA, IWC80, IWC40, VCFG, IWC16, VCSH
Wed, Sep 26 Fog in the VicinityVCFG
Thu, Sep 27 Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-RA, IWC61, IWC15, IWC16, VCSH
Fri, Sep 28 Fog in the Vicinity, Showers in the VicinityVCFG, VCSH
Sat, Sep 29 Fog in the VicinityVCFG
Sun, Sep 30 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWC15, VCSH
Mon, Oct 1 Distant Fog, Fog in the Vicinity, Precipitation in the VicinityIWC40, VCFG, IWC16
Tue, Oct 2 Fog in the VicinityVCFG
Wed, Oct 3 Light Rain, Fog in the Vicinity, Showers in the Vicinity-RA, VCFG, VCSH
Thu, Oct 4 Precipitation in the Vicinity, Showers in the VicinityIWC15, VCSH
Fri, Oct 5 Recent Rain, Light Rain, Precipitation in the Vicinity, Showers in the VicinityRERA, -RA, IWC61, IWC16, VCSH
Sat, Oct 6 Precipitation in the Vicinity, Showers in the VicinityIWC16, VCSH
Sun, Oct 7 Recent Thunderstorm, Thunderstorm, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, IWC40, VCFG, IWC16, IWC15, VCSH
Mon, Oct 8 Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC21, IWC40, VCFG, IWC16, VCSH
Tue, Oct 9 Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC40, VCFG, IWC16, VCSH
Wed, Oct 10 Recent Thunderstorm, Thunderstorm, Thunderstorm with Hail, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, IWC96, IWC40, VCFG, IWC16, VCSH
Thu, Oct 11 Recent Thunderstorm, Thunderstorm, Haze, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, IWC05, IWC16, VCSH
Fri, Oct 12 Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC40, VCFG, IWC15, IWC16, VCSH
Sat, Oct 13 Recent Thunderstorm, Thunderstorm, Haze, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, IWC05, IWC40, VCFG, IWC16, VCSH
Sun, Oct 14 Light Intermittent Rain, Light Rain, Distant Fog, Fog in the VicinityIWC60, -RA, IWC61, IWC40, VCFG
Mon, Oct 15 Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC40, VCFG, IWC16, VCSH
Tue, Oct 16 Thunderstorm with Rain, Light Rain, Fog in the Vicinity, Showers in the VicinityTSRA, -RA, VCFG, VCSH
Wed, Oct 17 Light Rain, Fog in the Vicinity, Showers in the Vicinity-RA, VCFG, VCSH
Thu, Oct 18 Thunderstorm, Light Rain, Light Drizzle, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityTS, IWC17, -RA, IWC61, -DZ, IWC51, IWC40, VCFG, IWC16, VCSH
Fri, Oct 19 Haze, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC05, IWC40, VCFG, IWC15, VCSH
Sat, Oct 20 Precipitation in the Vicinity, Showers in the VicinityIWC15, IWC16, VCSH
Sun, Oct 21 Haze, Distant Fog, Fog in the VicinityIWC05, IWC40, VCFG
Mon, Oct 22 Recent Thunderstorm, Thunderstorm with Light Rain, Thunderstorm with Rain, Showers of Light Rain, Haze, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, -TSRA, IWC95, IWC80, IWC05, IWC40, VCFG, IWC16, VCSH
Tue, Oct 23 Recent Thunderstorm, Rain, Recent Rain, Showers of Rain, Showers of Light Rain, Haze, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, RA, IWC63, RERA, SHRA, IWC81, IWC80, IWC05, IWC40, VCFG, IWC16, VCSH
Wed, Oct 24 Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the Vicinity-RA, IWC61, IWC40, VCFG, IWC15, IWC16, VCSH
Thu, Oct 25 Distant Fog, Fog in the VicinityIWC40, VCFG
Sat, Oct 27 Haze, Distant Fog, Fog in the VicinityIWC05, IWC40, VCFG
Sun, Oct 28 Distant Fog, Fog, Fog in the Vicinity, Sky-Obscuring FogIWC40, FG, VCFG, IWC45
Mon, Oct 29 Distant Fog, Fog in the VicinityIWC40, VCFG
Tue, Oct 30 Thunderstorm with Light Rain, Thunderstorm with Rain, Recent Rain, Light Rain, Showers of Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the Vicinity-TSRA, IWC95, RERA, -RA, IWC61, IWC80, IWC40, VCFG, IWC16, VCSH
Wed, Oct 31 Thunderstorm, Rain, Recent Rain, Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityTS, IWC17, RA, RERA, -RA, IWC61, IWC40, VCFG, IWC16, VCSH
Thu, Nov 1 Distant Fog, Precipitation in the Vicinity, Showers in the VicinityIWC40, IWC16, IWC15, VCSH
Fri, Nov 2 Showers of Light Rain, Distant Fog, Fog in the Vicinity-SHRA, IWC80, IWC40, VCFG
Sat, Nov 3 Distant Fog, Fog in the VicinityIWC40, VCFG
Sun, Nov 4 Thunderstorm with Light Rain, Thunderstorm with Rain, Showers of Light Rain, Haze, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the Vicinity-TSRA, IWC95, IWC80, IWC05, IWC40, VCFG, IWC15, VCSH
Mon, Nov 5 Recent Thunderstorm, Thunderstorm with Light Rain, Thunderstorm with Rain, Showers of Rain, Light Rain, HazeRETS, IWC91, TSRA, IWC95, IWC81, -RA, IWC05
Tue, Nov 6 Intermittent Rain, Rain, Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC62, RA, IWC63, -RA, IWC61, IWC40, VCFG, IWC15, IWC16, VCSH
Wed, Nov 7 Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the Vicinity-RA, IWC61, IWC40, VCFG, IWC16, IWC15, VCSH
Thu, Nov 8 Distant Fog, Fog in the VicinityIWC40, VCFG
Fri, Nov 9 Showers of Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinitySHRA, IWC81, IWC40, VCFG, IWC16, VCSH
Sat, Nov 10 Recent Thunderstorm, Thunderstorm, Thunderstorm with Light Rain, Recent Rain, Fog in the Vicinity, Showers in the VicinityRETS, TS, -TSRA, RERA, VCFG, VCSH
Sun, Nov 11 Recent Thunderstorm, Thunderstorm, Thunderstorm with Rain, Rain, Recent Rain, Light Rain, Light Drizzle, Fog in the Vicinity, Showers in the VicinityRETS, TS, TSRA, RA, RERA, -RA, -DZ, VCFG, VCSH
Mon, Nov 12 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWC15, VCSH
Tue, Nov 13 Rain, Recent Rain, Showers of Rain, Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRA, IWC63, RERA, SHRA, IWC81, -RA, IWC61, IWC40, VCFG, IWC16, VCSH
Wed, Nov 14 Recent Thunderstorm, Thunderstorm, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, IWC40, VCFG, IWC16, IWC15, VCSH
Thu, Nov 15 Recent Thunderstorm, Thunderstorm, Showers of Rain, Haze, Distant Fog, Fog in the Vicinity, Patches of Fog, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, SHRA, IWC81, IWC05, IWC40, VCFG, BCFG, IWC41, IWC16, VCSH
Mon, Nov 19 Precipitation in the Vicinity, Showers in the VicinityIWC15, VCSH
Tue, Nov 20 Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC40, VCFG, IWC16, VCSH
Wed, Nov 21 Light Intermittent Rain, Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC60, -RA, IWC61, IWC16, IWC15, VCSH
Thu, Nov 22 Rain, Light Rain, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRA, IWC63, -RA, IWC61, IWC40, VCFG, IWC16, VCSH
Fri, Nov 23 HazeIWC05
Sat, Nov 24 Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityIWC40, VCFG, IWC16, VCSH
Sun, Nov 25 HazeIWC05
Mon, Nov 26 Light Drizzle, Fog in the Vicinity, Showers in the Vicinity-DZ, VCFG, VCSH
Tue, Nov 27 Recent Thunderstorm, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, IWC40, VCFG, IWC16, IWC15, VCSH
Wed, Nov 28 Recent Thunderstorm, Thunderstorm, Haze, Distant Fog, Fog in the Vicinity, Precipitation in the Vicinity, Showers in the VicinityRETS, TS, IWC17, IWC05, IWC40, VCFG, IWC16, IWC15, VCSH
Thu, Nov 29 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWC15, VCSH
Fri, Nov 30 Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-RA, IWC61, IWC15, IWC16, VCSH

Hours of Daylight and Twilight in the Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Hours of Daylight and Twilight in the Spring of 2012 at Cotopaxi International AirportSepOctNov0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrWinterSummerSep 2212 hr, 6 minSep 2212 hr, 6 mindaydaydaydaynightNov 3012 hr, 10 minNov 3012 hr, 10 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 the Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Sunrise & Sunset with Twilight in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 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 AMWinterSummer5:53 AM5:53 AMNov 56:02 PMNov 56:02 PM6:11 AM6:11 AMSep 16:17 PMSep 16:17 PM5:58 AM5:58 AMNov 306:08 PMNov 306:08 PM6:04 AM6:04 AMSep 216:10 PMSep 216:10 PM
The solar day over the course of the Spring of 2012. 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 Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Solar Elevation and Azimuth in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 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 AMWinterSummer001020203030405050606070800010102030304040506060707080
northeastsouthwest
Solar elevation and azimuth in the the spring of 2012. 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 Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Moon Rise, Set & Phases in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMWinterSummerAug 110:28 PMAug 110:28 PMAug 1710:55 AMAug 1710:55 AMAug 318:59 AMAug 318:59 AMSep 159:11 PMSep 159:11 PMSep 2910:19 PMSep 2910:19 PMOct 157:03 AMOct 157:03 AMOct 292:50 PMOct 292:50 PMNov 135:09 PMNov 135:09 PMNov 289:47 AMNov 289:47 AMDec 133:42 AMDec 133:42 AMDec 285:22 AMDec 285:22 AM6:05 PM6:05 PM6:33 AM6:33 AM5:37 PM5:37 PM6:01 AM6:01 AM5:55 PM5:55 PM5:50 PM5:50 PM6:11 AM6:11 AM5:52 AM5:52 AM6:22 PM6:22 PM6:02 PM6:02 PM6:23 AM6:23 AM5:28 AM5:28 AM6:01 PM6:01 PM5:33 PM5:33 PM5:54 AM5:54 AM6:49 PM6:49 PM5:54 PM5:54 PM6:15 AM6:15 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.

Humidity Comfort Levels in the Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Humidity Comfort Levels in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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 Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Wind Speed in the Spring of 2012 at Cotopaxi International AirportSepOctNov0 mph0 mph50 mph50 mph100 mph100 mph150 mph150 mph200 mph200 mphWinterSummer
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Hourly Wind Speed in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Hourly Wind Direction in 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Spring of 2012 at Cotopaxi International Airport

History:201620152014201320122011201020092008
Atmospheric Pressure in the Spring of 2012 at Cotopaxi International AirportSepOctNov20 inHg20 inHg40 inHg40 inHg60 inHg60 inHg80 inHg80 inHg100 inHg100 inHg120 inHg120 inHgWinterSummer
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 Cotopaxi International Airport19401950196019701980199020002010202019801980198319831984198419851985198619861987198719881988198919891990199019911991199219921993199319941994199519951996199619971997199819981999199920002000200120012002200220032003200420042005200520062006200720072008200820092009201020102011201120122012201320132014201420152015201620162017201720182018201920192020202020212021202220222023202320242024
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Spring of 2012 at Cotopaxi International Airport 2012

Number of Reports by Day in the Spring of 2012 at Cotopaxi International AirportSepOctNov002424WinterSummer
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Spring of 2012 at Cotopaxi International Airport 2012

Reports by Hour in the Spring of 2012 at Cotopaxi International AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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 Cotopaxi International Airport in the spring of 2012.

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.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

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