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Winter 1991 Weather History at Olbia - Costa Smeralda Airport Italy

This report shows the past weather for Olbia - Costa Smeralda Airport, providing a weather history for the winter of 1991. It features all historical weather data series we have available, including the Olbia - Costa Smeralda Airport temperature history for the winter of 1991. You can drill down from year to month and even day level reports by clicking on the graphs.

Olbia - Costa Smeralda Airport Temperature History in the Winter of 1991

History:199519941993199219911990198919881987
Temperature history in the Winter of 1991 at Olbia - Costa Smeralda AirportDecJanFeb25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Hourly Temperature in the Winter of 1991 at Olbia - Costa Smeralda AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpringcoldcool
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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Cloud Cover in the Winter of 1991 at Olbia - Costa Smeralda 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.
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Observed Weather in the Winter of 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Observed Weather in the Winter of 1991 at Olbia - Costa Smeralda 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 Light Drizzle-DZ
Mon, Dec 2 Rain, Light Intermittent Rain, Light Rain, Light Drizzle, Light Intermittent Drizzle, MistIWC21, IWC60, -RA, IWC61, -DZ, IWC50, BR, IWC10
Tue, Dec 3 Rain, Light Intermittent Rain, Light RainIWC63, IWC21, IWC60, -RA, IWC61
Wed, Dec 4 Rain, Mist, Shallow Patches of FogRA, BR, MIBCFG
Thu, Dec 5 MistIWC10, BR
Fri, Dec 6 Drizzle/Snow Grains, Light Drizzle, Light Intermittent Drizzle, MistIWC20, -DZ, IWC50, BR
Sun, Dec 8 Rain, Light RainIWC21, -RA, IWC61
Mon, Dec 9 Drizzle/Snow Grains, Light Drizzle, Light Intermittent DrizzleIWC20, -DZ, IWC50
Thu, Dec 12 Rain, Light Intermittent Rain, Light Rain, Light Drizzle, Light Intermittent Drizzle, MistIWC21, IWC60, -RA, -DZ, IWC50, BR, IWC10
Fri, Dec 13 Light Intermittent Rain, Light Rain, MistIWC60, -RA, IWC10, BR
Sat, Dec 14 MistBR
Sun, Dec 15 MistBR, IWC10
Mon, Dec 16 MistBR
Tue, Dec 17 MistBR, IWC10
Fri, Dec 20 Thunderstorm, Thunderstorm with Light Rain, Thunderstorm with Rain, Rain, Drizzle/Snow Grains, Light Drizzle, Light Intermittent Drizzle, MistIWC29, -TSRA, IWC91, TSRA, IWC95, IWC21, IWC20, -DZ, IWC50, BR, IWC10
Sat, Dec 21 Light Rain-RA
Sun, Dec 22 Light Drizzle-DZ
Tue, Dec 24 MistBR
Sat, Jan 4 MistBR
Sun, Jan 5 MistBR
Mon, Jan 6 MistBR
Wed, Jan 8 MistBR, IWC10
Fri, Jan 10 Light Rain-RA
Sat, Jan 11 Light Drizzle-DZ
Sun, Jan 12 Fog, Fog in the Vicinity, Mist, Patches of FogFG, VCFG, BR, BCFG
Mon, Jan 13 Fog, Mist, Patches of FogFG, BR, BCFG
Tue, Jan 14 Fog, Mist, Patches of Fog, Shallow Patches of FogFG, BR, BCFG, MIBCFG
Wed, Jan 15 MistBR
Sat, Jan 18 MistBR, IWC10
Mon, Jan 20 Light Drizzle-DZ
Tue, Jan 21 Light Rain, Light Drizzle-RA, -DZ
Wed, Jan 22 Light Rain, Light Drizzle-RA, -DZ
Thu, Jan 23 Thunderstorm, Thunderstorm with Rain, Light DrizzleTS, IWC17, IWC29, TSRA, IWC95, -DZ
Fri, Jan 24 Thunderstorm with Rain, Rain, Light Intermittent Rain, Light RainTSRA, IWC95, IWC21, IWC60, -RA, IWC61
Sat, Jan 25 Thunderstorm with Rain, Heavy Rain, Rain, Light RainTSRA, +RA, RA, -RA
Sun, Jan 26 Rain, Light Intermittent Rain, Light Rain, Light Drizzle, Light Intermittent Drizzle, MistIWC21, IWC60, -RA, IWC61, -DZ, IWC51, IWC50, BR, IWC10
Mon, Jan 27 Drizzle/Snow Grains, Light Drizzle, Light Intermittent Drizzle, MistIWC20, -DZ, IWC50, BR, IWC10
Tue, Jan 28 Light Drizzle-DZ
Sun, Feb 2 Light Rain, Drizzle-RA, DZ
Fri, Feb 7 MistBR
Sat, Feb 8 MistBR
Sun, Feb 9 MistBR, IWC10
Mon, Feb 10 MistBR
Wed, Feb 12 MistBR
Thu, Feb 13 Light Rain, Light Drizzle, Mist, Shallow Patches of Fog-RA, -DZ, BR, MIBCFG
Fri, Feb 14 MistBR
Tue, Feb 25 MistBR
Wed, Feb 26 Rain, Light Intermittent Rain, Light Rain, Drizzle/Snow Grains, Light Drizzle, Light Intermittent DrizzleIWC21, IWC60, -RA, IWC20, -DZ, IWC50
Thu, Feb 27 MistBR, IWC10
Fri, Feb 28 Rain, Light Intermittent Rain, Light Rain, Drizzle/Snow Grains, Light Drizzle, Light Intermittent Drizzle, MistIWC21, IWC60, -RA, IWC20, -DZ, IWC50, IWC10
Sat, Feb 29 MistBR

Hours of Daylight and Twilight in the Winter of 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Hours of Daylight and Twilight in the Winter of 1991 at Olbia - Costa Smeralda AirportDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 229 hr, 14 minDec 229 hr, 14 minnightnightdaydayFeb 2911 hr, 15 minFeb 2911 hr, 15 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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Sunrise & Sunset with Twilight and Daylight Saving Time in the Winter of 1991 at Olbia - Costa Smeralda AirportDecJanFeb2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMFallSpring6:57 AM6:57 AMFeb 296:12 PMFeb 296:12 PM7:34 AM7:34 AMDec 94:53 PMDec 94:53 PM7:46 AM7:46 AMJan 45:06 PMJan 45:06 PM
The solar day over the course of the Winter of 1991. 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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Solar Elevation and Azimuth in the Winter of 1991 at Olbia - Costa Smeralda 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 AMFallSpring00102030300101020
northeastsouthwest
Solar elevation and azimuth in the the winter of 1991. 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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Moon Rise, Set & Phases in the Winter of 1991 at Olbia - Costa Smeralda AirportDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringNov 612:11 PMNov 612:11 PMNov 2111:57 PMNov 2111:57 PMDec 64:57 AMDec 64:57 AMDec 2111:24 AMDec 2111:24 AMJan 512:10 AMJan 512:10 AMJan 1910:29 PMJan 1910:29 PMFeb 38:00 PMFeb 38:00 PMFeb 189:05 AMFeb 189:05 AMMar 42:23 PMMar 42:23 PMMar 187:18 PMMar 187:18 PM4:53 PM4:53 PM4:22 PM4:22 PM7:54 AM7:54 AM7:51 AM7:51 AM5:06 PM5:06 PM7:54 AM7:54 AM5:37 PM5:37 PM5:12 PM5:12 PM6:56 AM6:56 AM6:29 PM6:29 PM6:21 AM6:21 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 Winter of 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Humidity Comfort Levels in the Winter of 1991 at Olbia - Costa Smeralda 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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Wind Speed in the Winter of 1991 at Olbia - Costa Smeralda AirportDecJanFeb0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mph70 mph70 mphFallSpring
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Winter of 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Hourly Wind Speed in the Winter of 1991 at Olbia - Costa Smeralda 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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Hourly Wind Direction in 1991 at Olbia - Costa Smeralda 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 1991 at Olbia - Costa Smeralda Airport

History:199519941993199219911990198919881987
Atmospheric Pressure in the Winter of 1991 at Olbia - Costa Smeralda 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.

Reports by Month

Reports by Month at Olbia - Costa Smeralda Airport194019501960197019801990200020102020196919691970197019711971197319731974197419751975197619761977197719781978197919791980198019811981198219821983198319841984198519851986198619871987198819881989198919901990199119911992199219931993199419941995199519961996199719971998199819991999200020002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Winter of 1991 at Olbia - Costa Smeralda Airport 1991

Number of Reports by Day in the Winter of 1991 at Olbia - Costa Smeralda AirportDecJanFeb0024244848FallSpring
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Winter of 1991 at Olbia - Costa Smeralda Airport 1991

Reports by Hour in the Winter of 1991 at Olbia - Costa Smeralda 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 Olbia - Costa Smeralda Airport in the winter of 1991.

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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