August 1999 Weather History at Cyril E. King Airport U.S. Virgin Islands

This report shows the past weather for Cyril E. King Airport, providing a weather history for August 1999. It features all historical weather data series we have available, including the Cyril E. King Airport temperature history for August 1999. You can drill down from year to month and even day level reports by clicking on the graphs.

Cyril E. King Airport Temperature History August 1999

Temperature history in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313155°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FJulSep
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 August 1999 at Cyril E. King Airport

Hourly Temperature in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMJulSepwarmhot
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 August 1999 at Cyril E. King Airport

Cloud Cover in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMJulSep
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.

Snow Depth in August 1999 at Cyril E. King Airport

Snow Depth in August 1999 at Cyril E. King Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 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 inJulSep
The daily measured snow depth, where available.

Observed Weather in August 1999 at Cyril E. King Airport

Observed Weather in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMJulSep
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
Mon, Aug 2 Light RainIWC61
Wed, Aug 4 Light RainIWC61
Thu, Aug 5 Light RainIWC61
Sat, Aug 7 Light RainIWC61
Sun, Aug 8 Light RainIWC61
Tue, Aug 10 Precipitation in the Vicinity, Showers in the VicinityIWC16, IWCIV02
Wed, Aug 11 Light RainIWC61
Fri, Aug 13 Light RainIWC61
Sat, Aug 14 Heavy Rain, Rain, Light RainIWC65, IWC63, IWC61
Sun, Aug 15 Rain, Light RainIWC63, IWC61
Mon, Aug 16 Light RainIWC61
Sat, Aug 21 Light RainIWC61
Sun, Aug 22 Thunderstorm, Thunderstorm with Heavy Rain, Thunderstorm with Rain, Heavy Rain, Showers of Rain, Light Rain, Mist, Sky-Obscuring FogIWC17, IWC97, IWC95, IWC65, IWC81, IWC61, IWC10, IWC45
Mon, Aug 23 Thunderstorm with Heavy Rain, Thunderstorm with Rain, Heavy Rain, Showers of Heavy Rain, Rain, Showers of Rain, Light Rain, Showers of Light Rain, Mist, Sky-Obscuring FogIWC97, IWC95, IWC65, IWC82, IWC63, IWC81, IWC61, IWC80, IWC10, IWC45
Tue, Aug 24 Heavy Rain, RainIWC65, IWC63
Wed, Aug 25 Heavy Rain, RainIWC65, IWC63
Thu, Aug 26 Light RainIWC61
Sat, Aug 28 Thunderstorm, Thunderstorm with Rain, Heavy Rain, Light RainIWC17, IWC95, IWC65, IWC61
Tue, Aug 31 Heavy Rain, Rain, Light Rain, MistIWC65, IWC63, IWC61, IWC10

Hours of Daylight and Twilight in August 1999 at Cyril E. King Airport

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 August 1999 at Cyril E. King Airport

The solar day over the course of August 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 August 1999 at Cyril E. King Airport

Solar Elevation and Azimuth in August 1999 at Cyril E. King AirportAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJulSep00101020203030404050506060707080800010102020303040405050606070708080
northeastsouthwest
Solar elevation and azimuth over the course of August 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 August 1999 at Cyril E. King Airport

Moon Rise, Set & Phases in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepJul 287:25 AMJul 287:25 AMAug 117:09 AMAug 117:09 AMAug 267:48 PMAug 267:48 PM6:25 PM6:25 PM5:57 AM5:57 AM6:01 AM6:01 AM7:11 PM7:11 PM6:38 PM6:38 PM6:32 AM6:32 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.
Aug 1999IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
85%-9:34 AMW10:07 PME3:29 AMS236,515 mi
2
76%-10:30 AMW10:49 PME4:18 AMS234,526 mi
3
65%-11:26 AMW11:33 PME5:07 AMS232,671 mi
4
50%-12:24 PMW-5:57 AMS230,994 mi
5
42%12:19 AMENE1:24 PMWNW-6:50 AMS229,567 mi
6
30%1:09 AMENE2:25 PMWNW-7:45 AMS228,500 mi
7
20%2:02 AMENE3:26 PMWNW-8:44 AMN227,924 mi
8
11%2:59 AMENE4:27 PMWNW-9:43 AMN227,973 mi
9
5%3:59 AMENE5:26 PMWNW-10:43 AMN228,748 mi
10
1%5:01 AMENE6:20 PMWNW-11:42 AMS230,283 mi
11
0%6:01 AMENE7:11 PMWNW-12:37 PMS232,524 mi
12
2%7:00 AMENE7:57 PMW-1:29 PMS235,325 mi
13
6%7:56 AME8:39 PMW-2:19 PMS238,473 mi
14
13%8:50 AME9:19 PMW-3:05 PMS241,711 mi
15
21%9:41 AME9:58 PMW-3:50 PMS244,776 mi
16
29%10:31 AME10:36 PMW-4:34 PMS247,427 mi
17
39%11:21 AME11:15 PMWSW-5:18 PMS249,466 mi
18
50%12:10 PMESE11:54 PMWSW-6:02 PMS250,748 mi
19
58%12:59 PMESE--6:47 PMS251,197 mi
20
68%-12:36 AMWSW1:49 PMESE7:34 PMS250,804 mi
21
77%-1:20 AMWSW2:39 PMESE8:23 PMS249,630 mi
22
85%-2:06 AMWSW3:29 PMESE9:12 PMS247,795 mi
23
91%-2:56 AMWSW4:18 PMESE10:03 PMS245,469 mi
24
96%-3:48 AMWSW5:06 PMESE10:54 PMS242,852 mi
25
99%-4:41 AMWSW5:53 PMESE11:45 PMS240,154 mi
26
100%-5:36 AMWSW6:38 PMESE--
27
100%-6:32 AMW7:22 PME12:35 AMS237,570 mi
28
98%-7:28 AMW8:05 PME1:25 AMS235,259 mi
29
94%-8:24 AMW8:48 PME2:14 AMS233,329 mi
30
87%-9:21 AMW9:32 PME3:04 AMS231,829 mi
31
78%-10:19 AMW10:18 PMENE3:54 AMS230,764 mi

Humidity Comfort Levels in August 1999 at Cyril E. King Airport

Humidity Comfort Levels in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMJulSep
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 August 1999 at Cyril E. King Airport

Wind Speed in August 1999 at Cyril E. King Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mph30 mph30 mph35 mph35 mphJulSep
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in August 1999 at Cyril E. King Airport

Hourly Wind Speed in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMJulSep
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 at Cyril E. King Airport

Hourly Wind Direction in 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMJulSep
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in August 1999 at Cyril E. King Airport

Atmospheric Pressure in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.80 inHg29.80 inHg29.85 inHg29.85 inHg29.90 inHg29.90 inHg29.95 inHg29.95 inHg30.00 inHg30.00 inHg30.05 inHg30.05 inHg30.10 inHg30.10 inHgJulSep
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 August 1999 at Cyril E. King Airport Summer 1999

regularspecialcorrection
The number of reports per day.

Reports by Hour in August 1999 at Cyril E. King Airport Summer 1999

Reports by Hour in August 1999 at Cyril E. King Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMJulSep
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 Cyril E. King Airport in August 1999.

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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