Spring 1999 Weather History in U.S. Virgin Islands U.S. Virgin Islands

The data for this report comes from the Cyril E. King Airport. See all nearby weather stations

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

U.S. Virgin Islands Temperature History in the Spring of 1999

Temperature history in the Spring of 1999 in U.S. Virgin IslandsMarAprMay70°F70°F75°F75°F80°F80°F85°F85°F90°F90°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 1999 in U.S. Virgin Islands

Hourly Temperature in the Spring of 1999 in U.S. Virgin IslandsMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummerwarmhotcomfortable
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 1999 in U.S. Virgin Islands

Cloud Cover in the Spring of 1999 in U.S. Virgin IslandsMarAprMay12 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 1999 in U.S. Virgin Islands

Observed Weather in the Spring of 1999 in U.S. Virgin IslandsMarAprMay12 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
Mon, Mar 8 Light RainIWC61
Tue, Mar 9 Heavy Rain, Light RainIWC65, IWC61
Sun, Mar 21 Heavy Rain, Light RainIWC65, IWC61
Tue, Mar 23 Light RainIWC61
Wed, Mar 24 Heavy Rain, Light Rain, Mist, Sky-Obscuring FogIWC65, IWC61, IWC10, IWC45
Thu, Mar 25 Heavy Rain, Rain, Light RainIWC65, IWC63, IWC61
Mon, Mar 29 Light RainIWC61
Wed, Mar 31 RainIWC63
Thu, Apr 1 Light RainIWC61
Sun, Apr 4 Light RainIWC61
Thu, Apr 8 Rain, Light Rain, Mist, Sky-Obscuring FogIWC63, IWC61, IWC10, IWC45
Fri, Apr 9 Light Rain, Mist, Sky-Obscuring FogIWC61, IWC10, IWC45
Sat, Apr 17 Light RainIWC61
Sun, Apr 18 Light RainIWC61
Fri, Apr 23 Heavy Rain, Light RainIWC65, IWC61
Sat, Apr 24 Light RainIWC61
Sun, May 2 Light RainIWC61
Fri, May 7 Light RainIWC61
Sat, May 8 Light RainIWC61
Tue, May 11 Heavy Rain, Rain, Light Rain, Mist, Sky-Obscuring FogIWC65, IWC63, IWC61, IWC10, IWC45
Wed, May 12 Light RainIWC61
Sun, May 23 Light RainIWC61

Hours of Daylight and Twilight in the Spring of 1999 in U.S. Virgin Islands

Hours of Daylight and Twilight in the Spring of 1999 in U.S. Virgin IslandsMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrWinterSummerMar 2012 hr, 6 minMar 2012 hr, 6 minnightnightdaydayMay 3113 hr, 9 minMay 3113 hr, 9 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 1999 in U.S. Virgin Islands

Sunrise & Sunset with Twilight in the Spring of 1999 in U.S. Virgin IslandsMarAprMay2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMWinterSummer5:43 AM5:43 AMMay 316:52 PMMay 316:52 PM6:39 AM6:39 AMMar 16:25 PMMar 16:25 PM6:23 AM6:23 AMMar 216:31 PMMar 216:31 PM
The solar day over the course of the Spring 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 Spring of 1999 in U.S. Virgin Islands

Solar Elevation and Azimuth in the Spring of 1999 in U.S. Virgin IslandsMarAprMay12 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 AMWinterSummer00102020303040505060708000101020303040405060607080
northeastsouthwest
Solar elevation and azimuth in the the spring 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 Spring of 1999 in U.S. Virgin Islands

Moon Rise, Set & Phases in the Spring of 1999 in U.S. Virgin IslandsMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMWinterSummerFeb 162:39 AMFeb 162:39 AMMar 22:59 AMMar 22:59 AMMar 172:49 PMMar 172:49 PMMar 316:50 PMMar 316:50 PMApr 1612:22 AMApr 1612:22 AMApr 3010:55 AMApr 3010:55 AMMay 158:06 AMMay 158:06 AMMay 302:40 AMMay 302:40 AMJun 133:03 PMJun 133:03 PMJun 285:38 PMJun 285:38 PM6:54 PM6:54 PM6:03 PM6:03 PM6:53 AM6:53 AM6:22 AM6:22 AM6:36 PM6:36 PM6:30 PM6:30 PM6:47 AM6:47 AM6:19 PM6:19 PM6:04 PM6:04 PM6:02 AM6:02 AM5:57 AM5:57 AM7:09 PM7:09 PM6:27 PM6:27 PM6:02 AM6:02 AM6:57 PM6:57 PM6:53 PM6:53 PM6:19 AM6:19 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 1999 in U.S. Virgin Islands

Humidity Comfort Levels in the Spring of 1999 in U.S. Virgin IslandsMarAprMay12 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 1999 in U.S. Virgin Islands

Wind Speed in the Spring of 1999 in U.S. Virgin IslandsMarAprMay0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mphWinterSummer
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Spring of 1999 in U.S. Virgin Islands

Hourly Wind Speed in the Spring of 1999 in U.S. Virgin IslandsMarAprMay12 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 1999 in U.S. Virgin Islands

Hourly Wind Direction in 1999 in U.S. Virgin IslandsMarAprMay12 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 1999 in U.S. Virgin Islands

Atmospheric Pressure in the Spring of 1999 in U.S. Virgin IslandsMarAprMay29.85 inHg29.85 inHg29.90 inHg29.90 inHg29.95 inHg29.95 inHg30.00 inHg30.00 inHg30.05 inHg30.05 inHg30.10 inHg30.10 inHg30.15 inHg30.15 inHg30.20 inHg30.20 inHgWinterSummer
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 Cyril E. King Airport page.

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