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May 2019 Weather History at South Marsh Island Louisiana, United States

This report shows the past weather for South Marsh Island, providing a weather history for May 2019. It features all historical weather data series we have available, including the South Marsh Island temperature history for May 2019. You can drill down from year to month and even day level reports by clicking on the graphs.

South Marsh Island Temperature History May 2019

History:2020JFMAMayJJASOND201820172016
Temperature history in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313165°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°FAprJun
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 May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Hourly Temperature in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAprJunwarmhotcomfortable
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 May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Cloud Cover in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAprJun
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 May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Observed Weather in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAprJun
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
Wed, May 1 Haze, MistHZ, BR
Thu, May 2 Haze, MistHZ, BR
Fri, May 3 Haze, MistHZ, BR
Sat, May 4 Haze, Fog, MistHZ, FG, BR
Sat, May 18 Haze, MistHZ, BR
Sun, May 19 Haze, MistHZ, BR
Mon, May 20 Haze, MistHZ, BR
Tue, May 21 Haze, MistHZ, BR
Wed, May 22 Haze, MistHZ, BR
Thu, May 23 Haze, MistHZ, BR
Fri, May 24 Haze, MistHZ, BR
Sat, May 25 Haze, MistHZ, BR
Sun, May 26 Haze, MistHZ, BR
Mon, May 27 Haze, Fog, MistHZ, FG, BR
Tue, May 28 Haze, MistHZ, BR
Thu, May 30 Haze, MistHZ, BR
Fri, May 31 MistBR

Hours of Daylight and Twilight in May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Hours of Daylight and Twilight in May 2019 at South Marsh Island181522291122334455181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAprJunnightnightdaydayMay 113 hr, 15 minMay 113 hr, 15 minMay 3113 hr, 49 minMay 3113 hr, 49 minMay 1113 hr, 28 minMay 1113 hr, 28 minMay 2113 hr, 40 minMay 2113 hr, 40 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 May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Sunrise & Sunset with Twilight in May 2019 at South Marsh Island181522291122334455181819192020212122222323242425252626272728282929303031314 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM2 AM2 AMAprJun7:11 AM7:11 AMMay 319:00 PMMay 319:00 PM7:27 AM7:27 AMMay 18:42 PMMay 18:42 PM7:20 AM7:20 AMMay 118:48 PMMay 118:48 PM7:14 AM7:14 AMMay 218:54 PMMay 218:54 PM
The solar day over the course of May 2019. 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 May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Solar Elevation and Azimuth in May 2019 at South Marsh IslandMay11223344551818191920202121222223232424252526262727282829293030313112 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 AMAprJun0010102020303040405050606070708000101020203030404050506060707080
northeastsouthwest
Solar elevation and azimuth over the course of May 2019. 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 May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Moon Rise, Set & Phases in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAprJunMay 46:46 PMMay 46:46 PMMay 185:12 PMMay 185:12 PMJun 36:03 AMJun 36:03 AM7:27 AM7:27 AM8:40 PM8:40 PM8:52 PM8:52 PM7:59 AM7:59 AM7:26 AM7:26 AM9:29 PM9:29 PM
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.
May 2019IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
11%5:47 AME5:54 PMW-11:50 AMS248,546 mi
2
5%6:20 AME6:48 PMW-12:32 PMS246,495 mi
3
2%6:53 AME7:43 PMW-1:16 PMS244,165 mi
4
0%7:27 AME8:40 PMWNW-2:02 PMS241,727 mi
5
1%8:05 AMENE9:39 PMWNW-2:50 PMS239,334 mi
6
4%8:47 AMENE10:39 PMWNW-3:41 PMS237,103 mi
7
10%9:34 AMENE11:40 PMWNW-4:36 PMS235,110 mi
8
17%10:26 AMENE--5:32 PMS233,392 mi
9
27%-12:40 AMWNW11:23 AMENE6:30 PMS231,960 mi
10
38%-1:36 AMWNW12:25 PMENE7:28 PMS230,813 mi
11
50%-2:28 AMWNW1:29 PMENE8:24 PMS229,962 mi
12
62%-3:16 AMWNW2:33 PMENE9:19 PMS229,439 mi
13
73%-3:59 AMWNW3:38 PME10:11 PMS229,300 mi
14
83%-4:40 AMW4:41 PME11:01 PMS229,621 mi
15
91%-5:18 AMW5:44 PME11:51 PMS230,469 mi
16
94%-5:56 AMW6:47 PME--
17
96%-6:35 AMW7:50 PMESE12:42 AMS231,888 mi
18
100%-7:16 AMWSW8:52 PMESE1:33 AMS233,867 mi
19
100%-7:59 AMWSW9:53 PMESE2:25 AMS236,329 mi
20
98%-8:45 AMWSW10:51 PMESE3:19 AMS239,129 mi
21
93%-9:34 AMWSW11:46 PMESE4:13 AMS242,065 mi
22
87%-10:26 AMWSW-5:06 AMS244,905 mi
23
79%12:36 AMESE11:19 AMWSW-5:58 AMS247,416 mi
24
71%1:22 AMESE12:13 PMWSW-6:48 AMS249,388 mi
25
61%2:03 AMESE1:07 PMWSW-7:35 AMS250,657 mi
26
50%2:40 AMESE1:59 PMWSW-8:20 AMS251,118 mi
27
42%3:14 AMESE2:52 PMW-9:03 AMS250,732 mi
28
33%3:47 AME3:44 PMW-9:45 AMS249,529 mi
29
24%4:19 AME4:37 PMW-10:27 AMS247,603 mi
30
15%4:51 AME5:31 PMW-11:10 AMS245,109 mi
31
9%5:25 AME6:27 PMWNW-11:54 AMS242,245 mi

Humidity Comfort Levels in May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Humidity Comfort Levels in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAprJun
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 May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Wind Speed in May 2019 at South Marsh Island181522291122334455181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphAprJun
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Hourly Wind Speed in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAprJun
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 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Hourly Wind Direction in 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAprJun
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in May 2019 at South Marsh Island

History:2020JFMAMayJJASOND201820172016
Atmospheric Pressure in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313129.7 inHg29.7 inHg29.8 inHg29.8 inHg29.9 inHg29.9 inHg30.0 inHg30.0 inHg30.1 inHg30.1 inHgAprJun
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 South Marsh Island194019501960197019801990200020102020201120112012201220132013201420142015201520162016201720172018201820192019202020202021202120232023
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in May 2019 at South Marsh Island Spring 2019

Number of Reports by Day in May 2019 at South Marsh Island18152229112233445518181919202021212222232324242525262627272828292930303131005050100100AprJun
regularspecialcorrection
The number of reports per day.

Reports by Hour in May 2019 at South Marsh Island Spring 2019

Reports by Hour in May 2019 at South Marsh Island1815222911223344551818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAprJun
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 South Marsh Island in May 2019.

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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