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Summer 1999 Weather History in British Indian Ocean Territory British Indian Ocean Territory

The data for this report comes from the Diego Garcia. See all nearby weather stations

This report shows the past weather for British Indian Ocean Territory, providing a weather history for the summer of 1999. It features all historical weather data series we have available, including the British Indian Ocean Territory temperature history for the summer of 1999. You can drill down from year to month and even day level reports by clicking on the graphs.

British Indian Ocean Territory Temperature History in the Summer of 1999

History:200320022001200019991998199719961995
Temperature history in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°F100°F100°FSpringFall
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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Hourly Temperature in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFallwarmhot
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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Cloud Cover in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Daily Precipitation in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb0.0 in0.0 in0.2 in0.2 in0.4 in0.4 in0.6 in0.6 in0.8 in0.8 in1.0 in1.0 in1.2 in1.2 inSpringFall
The daily measured quantity of liquid or liquid-equivalent precipitation.

Observed Weather in the Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Observed Weather in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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
Thu, Dec 2 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC25, IWC80, IWC16, IWCIV02
Sun, Dec 5 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Mon, Dec 6 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Tue, Dec 7 Thunderstorm with Rain, Light Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC95, IWC61, IWC80, IWC16, IWC15, IWCIV02
Fri, Dec 10 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Mon, Dec 13 Showers of Rain, Showers of Light RainIWC81, IWC80
Tue, Dec 14 Showers of Light RainIWC80
Sun, Dec 19 Showers of Heavy Rain, Showers of Rain, Showers of Light RainIWC82, IWC81, IWC80
Mon, Dec 20 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC25, IWC80, IWC16, IWCIV02
Tue, Dec 21 Showers of Rain, Precipitation in the Vicinity, Showers in the VicinityIWC25, IWC16, IWCIV02
Wed, Dec 22 Showers of Rain, Showers of Light RainIWC81, IWC80
Thu, Dec 23 Showers of Rain, Showers of Light Rain, Showers in the VicinityIWC81, IWC80, IWCIV02
Fri, Dec 24 Showers of Heavy Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC80, IWC16, IWCIV02
Sat, Dec 25 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC81, IWC80, IWC16, IWCIV02
Sun, Dec 26 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC80, IWC16, IWCIV02
Mon, Dec 27 Showers of Light Rain, Showers in the VicinityIWC80, IWCIV02
Tue, Dec 28 Showers of Light Rain, Showers in the VicinityIWC80, IWCIV02
Wed, Dec 29 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC25, IWC80, IWC16, IWCIV02
Thu, Dec 30 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Fri, Dec 31 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Sat, Jan 1 Showers of Rain, Showers of Light RainIWC81, IWC80
Sun, Jan 2 Showers of Rain, Showers of Light RainIWC81, IWC80
Mon, Jan 3 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC25, IWC80, IWC16, IWCIV02
Wed, Jan 5 Showers of Rain, Showers of Light RainIWC81, IWC80
Thu, Jan 6 Showers of Rain, Showers of Light RainIWC81, IWC80
Fri, Jan 7 Showers of Light Rain, Showers in the VicinityIWC80, IWCIV02
Sat, Jan 8 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Sun, Jan 9 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWCIV02
Mon, Jan 10 Showers of Light Rain, Precipitation in the VicinityIWC80, IWC16
Tue, Jan 11 Showers of Light RainIWC80
Wed, Jan 12 Showers of Light RainIWC80
Mon, Jan 17 Showers of Rain, Showers of Light RainIWC25, IWC80
Tue, Jan 18 Thunderstorm with Rain, Light Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC95, IWC61, IWC80, IWC16, IWCIV02
Wed, Jan 19 Showers of Light Rain, Showers in the VicinityIWC80, IWCIV02
Thu, Jan 20 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Fri, Jan 21 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Sat, Jan 22 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC80, IWC16, IWCIV02
Sun, Jan 23 Thunderstorm, Thunderstorm with Heavy Rain, Thunderstorm with Rain, Showers of Heavy Rain, Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC17, IWC97, IWC95, IWC82, IWC63, IWC81, IWC80, IWC16, IWCIV02
Mon, Jan 24 Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC80, IWC16, IWCIV02
Tue, Jan 25 Showers of Light RainIWC80
Wed, Jan 26 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Showers in the Vicinity0.04 inIWC82, IWC81, IWC80, IWCIV02
Thu, Jan 27 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC81, IWC80, IWC16, IWCIV02
Fri, Jan 28 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC25, IWC80, IWC16, IWCIV02
Sat, Jan 29 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC81, IWC80, IWC16, IWCIV02
Sun, Jan 30 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC81, IWC25, IWC80, IWC16, IWCIV02
Mon, Jan 31 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWCIV02
Wed, Feb 2 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC80, IWC16, IWCIV02
Thu, Feb 3 Showers of Light Rain, Showers in the VicinityIWC80, IWCIV02
Fri, Feb 4 Showers of Light Rain, Precipitation in the VicinityIWC80, IWC16
Sat, Feb 5 Showers of Light RainIWC80
Sun, Feb 6 Thunderstorm with Rain, Light Rain, Showers of Light RainIWC95, IWC61, IWC80
Mon, Feb 7 Thunderstorm with Rain, Showers of Rain, Showers of Light RainIWC95, IWC81, IWC80
Wed, Feb 9 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWCIV02
Fri, Feb 11 Showers of Light RainIWC80
Sat, Feb 12 Showers of RainIWC25
Sun, Feb 13 Showers of Light RainIWC80
Mon, Feb 14 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC25, IWC80, IWC16, IWCIV02
Tue, Feb 15 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC80, IWC16, IWCIV02
Wed, Feb 16 Thunderstorm, Thunderstorm with Rain, Heavy Rain, Showers of Rain, Showers of Light RainIWC29, IWC95, IWC65, IWC81, IWC80
Thu, Feb 17 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC81, IWC25, IWC80, IWC16, IWCIV02
Fri, Feb 18 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC80, IWC16, IWCIV02
Sat, Feb 19 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC82, IWC81, IWC80, IWC16, IWCIV02
Sun, Feb 20 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC25, IWC80, IWC16, IWCIV02
Mon, Feb 21 Showers in the VicinityIWCIV02
Wed, Feb 23 Thunderstorm, Thunderstorm with Rain, Rain, Showers of Rain, Light Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC17, IWC95, IWC63, IWC81, IWC61, IWC80, IWC16, IWCIV02
Thu, Feb 24 Showers of Light RainIWC80
Fri, Feb 25 Thunderstorm with Rain, Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC95, IWC25, IWC80, IWC16, IWCIV02
Sat, Feb 26 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC81, IWC80, IWC16, IWCIV02
Sun, Feb 27 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC25, IWC81, IWC80, IWC16, IWCIV02
Mon, Feb 28 Showers of Heavy Rain, Showers of Rain, Showers of Light RainIWC82, IWC81, IWC80
Tue, Feb 29 Showers of Rain, Showers of Light RainIWC81, IWC80

Hours of Daylight and Twilight in the Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Hours of Daylight and Twilight in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSpringFallDec 2212 hr, 28 minDec 2212 hr, 28 mindaydaydaydaynightFeb 2912 hr, 13 minFeb 2912 hr, 13 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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Sunrise & Sunset with Twilight in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSpringFall6:47 AM6:47 AMDec 17:14 PMDec 17:14 PM7:14 AM7:14 AMFeb 17:36 PMFeb 17:36 PM7:17 AM7:17 AMFeb 277:31 PMFeb 277:31 PM6:55 AM6:55 AMDec 217:24 PMDec 217:24 PM
The solar day over the course of the Summer of 1999. 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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Solar Elevation and Azimuth in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb12 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 AMSpringFall0010202030304050506060708000101020303040405060607070
northeastsouthwest
Solar elevation and azimuth in the the summer of 1999. 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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Moon Rise, Set & Phases in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallNov 89:54 AMNov 89:54 AMNov 231:04 PMNov 231:04 PMDec 84:32 AMDec 84:32 AMDec 2211:32 PMDec 2211:32 PMJan 712:14 AMJan 712:14 AMJan 2110:41 AMJan 2110:41 AMFeb 57:04 PMFeb 57:04 PMFeb 1910:27 PMFeb 1910:27 PMMar 611:17 AMMar 611:17 AMMar 2010:45 AMMar 2010:45 AM6:51 AM6:51 AM7:24 PM7:24 PM7:24 PM7:24 PM7:39 AM7:39 AM7:42 PM7:42 PM7:08 PM7:08 PM7:21 AM7:21 AM7:16 PM7:16 PM6:52 PM6:52 PM7:05 AM7:05 AM7:35 PM7:35 PM7:28 PM7:28 PM7:44 AM7:44 AM7:48 PM7:48 PM6:58 PM6:58 PM7:17 AM7:17 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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Humidity Comfort Levels in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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 Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Wind Speed in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mph30 mph30 mph35 mph35 mph40 mph40 mphSpringFall
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Hourly Wind Speed in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Hourly Wind Direction in 1999 in British Indian Ocean TerritoryDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Summer of 1999 in British Indian Ocean Territory

History:200320022001200019991998199719961995
Atmospheric Pressure in the Summer of 1999 in British Indian Ocean TerritoryDecJanFeb29.60 inHg29.60 inHg29.65 inHg29.65 inHg29.70 inHg29.70 inHg29.75 inHg29.75 inHg29.80 inHg29.80 inHg29.85 inHg29.85 inHg29.90 inHg29.90 inHg29.95 inHg29.95 inHg30.00 inHg30.00 inHgSpringFall
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

The details of the data sources used for this report can be found on the Diego Garcia page.

See all nearby weather stations

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