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April 2021 Weather History in McMurdo Station Antarctica

The data for this report comes from the Williams Field. See all nearby weather stations

This report shows the past weather for McMurdo Station, providing a weather history for April 2021. It features all historical weather data series we have available, including the McMurdo Station temperature history for April 2021. You can drill down from year to month and even day level reports by clicking on the graphs.

McMurdo Station Temperature History April 2021

History:20232022JFMAprMJJASOND20202019
Temperature history in April 2021 in McMurdo Station18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030-40°F-40°F-30°F-30°F-20°F-20°F-10°F-10°F0°F0°F10°F10°F20°F20°FMarMay
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 April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Hourly Temperature in April 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMay
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 April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Cloud Cover in April 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMay
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 April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Observed Weather in April 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMay
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, Apr 1 Light SnowIWCA71
Fri, Apr 2 Light Snow, HazeIWCA71, IWCA04
Sat, Apr 3 Snow, Light SnowIWCA24, IWCA71
Sun, Apr 4 Light Snow, HazeIWCA71, IWCA04
Thu, Apr 8 Snow, Light SnowIWCA24, IWCA71
Fri, Apr 9 SnowIWCA24
Mon, Apr 12 Light SnowIWCA71
Tue, Apr 13 Light SnowIWCA71
Wed, Apr 14 Light Snow, HazeIWCA71, IWCA04
Sat, Apr 17 Light Snow, Blowing Snow/Sand, HazeIWCA71, IWCA27, IWCA04
Sun, Apr 18 Snow, Light Snow, HazeIWCA24, IWCA71, IWCA04
Mon, Apr 19 Snow, HazeIWCA24, IWCA04
Tue, Apr 20 Haze, FogIWCA04, IWCA20
Thu, Apr 22 Snow, Light SnowIWCA24, IWCA71
Fri, Apr 23 Light SnowIWCA71
Sun, Apr 25 Light SnowIWCA71
Mon, Apr 26 Light SnowIWCA71
Tue, Apr 27 Light Snow, HazeIWCA71, IWCA04
Wed, Apr 28 Light SnowIWCA71
Thu, Apr 29 Light SnowIWCA71
Fri, Apr 30 Snow, Light SnowIWCA24, IWCA71

Hours of Daylight and Twilight in April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Hours of Daylight and Twilight in April 2021 in McMurdo Station181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrMarMayApr 19 hr, 40 minApr 19 hr, 40 minApr 300 minApr 300 minApr 116 hr, 59 minApr 116 hr, 59 minApr 213 hr, 21 minApr 213 hr, 21 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 April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Sunrise & Sunset with Twilight and Daylight Saving Time in April 2021 in McMurdo Station181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM2 AM2 AMMarMay12:19 PM12:19 PMApr 241:21 PMApr 241:21 PM8:27 AM8:27 AMApr 45:21 PMApr 45:21 PM9:23 AM9:23 AMApr 114:22 PMApr 114:22 PMDSTApr 4DSTApr 4
The solar day over the course of April 2021. 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. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Solar Elevation and Azimuth in April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Solar Elevation and Azimuth in April 2021 in McMurdo StationApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMay000
northeastsouthwest
Solar elevation and azimuth over the course of April 2021. 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 April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Moon Rise, Set & Phases in April 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 297:49 AMMar 297:49 AMApr 122:31 PMApr 122:31 PMApr 273:32 PMApr 273:32 PM8:54 PM8:54 PM7:48 AM7:48 AM7:59 AM7:59 AM5:14 PM5:14 PM2:38 PM2:38 PM12:00 AM12:00 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.
Apr 2021IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
88%4:48 AMN224,863 mi
2
79%5:41 AMN226,691 mi
3
69%6:36 AMN229,192 mi
4
50%6:31 AMN232,096 mi
5
46%7:26 AMN235,150 mi
6
35%8:18 AMN238,155 mi
7
25%9:07 AMN240,976 mi
8
16%9:53 AMN243,535 mi
9
9%-8:21 PMSW-10:37 AMN245,798 mi
10
4%2:42 AMSE7:08 PMWSW-11:19 AMN247,756 mi
11
1%5:27 AME6:12 PMW-12:00 PMN249,404 mi
12
0%7:59 AMENE5:14 PMWNW-12:41 PMN250,727 mi
13
1%10:52 AMNE3:51 PMNNW-1:22 PMN251,693 mi
14
3%2:06 PMN252,247 mi
15
8%2:52 PMN252,314 mi
16
14%3:41 PMN251,813 mi
17
21%4:32 PMN250,667 mi
18
30%5:27 PMN248,827 mi
19
40%6:23 PMN246,285 mi
20
50%7:20 PMN243,101 mi
21
61%8:17 PMN239,405 mi
22
71%9:12 PMN235,413 mi
23
81%9:12 PMN10:59 PMNNW-10:05 PMN231,414 mi
24
90%6:46 PMNE--10:58 PMN227,749 mi
25
96%-3:17 AMWNW5:35 PME11:49 PMN224,777 mi
26
98%-6:30 AMWSW4:26 PMESE--
27
100%-10:16 AMSW2:38 PMSSE12:41 AMN222,811 mi
28
100%1:33 AMN222,067 mi
29
97%2:28 AMN222,616 mi
30
91%3:24 AMN224,369 mi

Humidity Comfort Levels in April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Humidity Comfort Levels in April 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMay
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 April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Wind Speed in April 2021 in McMurdo Station181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mphMarMay
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Hourly Wind Speed in April 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMay
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 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Hourly Wind Direction in 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMay
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in April 2021 in McMurdo Station

History:20232022JFMAprMJJASOND20202019
Atmospheric Pressure in April 2021 in McMurdo Station1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303028.4 inHg28.4 inHg28.6 inHg28.6 inHg28.8 inHg28.8 inHg29.0 inHg29.0 inHg29.2 inHg29.2 inHg29.4 inHg29.4 inHg29.6 inHg29.6 inHg29.8 inHg29.8 inHgMarMay
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 Williams Field page.

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