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April 2021 Weather History at High Level Airport Alberta, Canada

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

High Level Airport Temperature History April 2021

History:20232022JFMAprMJJASOND20202019
Temperature history in April 2021 at High Level Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030-20°F-20°F-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°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 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Hourly Temperature in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMayfrigidfreezingcoolvery cold
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 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Cloud Cover in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Observed Weather in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 Showers of Light Rain and Snow, Showers of Light Rain, Mist-SHRASN, -SHRA, BR
Sun, Apr 4 Light Snow, Showers in the Vicinity-SN, VCSH
Tue, Apr 6 Light Snow, Mist, Showers in the Vicinity-SN, BR, VCSH
Wed, Apr 7 Light Snow, Drifting Snow-SN, DRSN
Thu, Apr 8 Light Snow-SN
Fri, Apr 9 Light Snow, Haze, Mist-SN, HZ, BR
Sat, Apr 10 Light Snow-SN
Sun, Apr 11 Light Snow, Drifting Snow-SN, DRSN
Sat, Apr 17 Light Rain-RA
Wed, Apr 21 Light Snow, Showers in the Vicinity, Drifting Snow-SN, VCSH, DRSN
Thu, Apr 22 Light Snow, Showers of Light Snow, Showers in the Vicinity-SN, -SHSN, VCSH
Sat, Apr 24 Showers in the VicinityVCSH
Thu, Apr 29 Light Rain-RA
Fri, Apr 30 Light Rain, Showers in the Vicinity-RA, VCSH

Hours of Daylight and Twilight in April 2021 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Hours of Daylight and Twilight in April 2021 at High Level Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrMarMaynightnightdaydayApr 113 hr, 17 minApr 113 hr, 17 minApr 3015 hr, 44 minApr 3015 hr, 44 minApr 1114 hr, 8 minApr 1114 hr, 8 minApr 2114 hr, 59 minApr 2114 hr, 59 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 April 2021 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Sunrise & Sunset with Twilight in April 2021 at High Level Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMMarMay5:54 AM5:54 AMApr 309:38 PMApr 309:38 PM7:14 AM7:14 AMApr 18:31 PMApr 18:31 PM6:46 AM6:46 AMApr 118:54 PMApr 118:54 PM6:18 AM6:18 AMApr 219:17 PMApr 219:17 PM
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.

Solar Elevation and Azimuth in April 2021 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Solar Elevation and Azimuth in April 2021 at High Level AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMay00101020203030400010102020303040
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 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Moon Rise, Set & Phases in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 2812:49 PMMar 2812:49 PMApr 118:31 PMApr 118:31 PMApr 269:32 PMApr 269:32 PM6:46 PM6:46 PM8:05 AM8:05 AM7:18 AM7:18 AM8:28 PM8:28 PM9:03 PM9:03 PM6:38 AM6:38 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
82%1:25 AMSE8:50 AMSW-5:08 AMS226,215 mi
2
71%3:02 AMSE9:15 AMSW-6:09 AMS228,601 mi
3
60%4:26 AMSE9:56 AMSW-7:11 AMS231,454 mi
4
50%5:29 AMSE10:57 AMSW-8:13 AMS234,509 mi
5
37%6:09 AMSE12:16 PMSW-9:12 AMS237,550 mi
6
27%6:33 AMSE1:41 PMSW-10:07 AMS240,426 mi
7
18%6:48 AMSE3:07 PMWSW-10:57 AMS243,047 mi
8
11%6:58 AMESE4:31 PMWSW-11:44 AMS245,374 mi
9
5%7:06 AMESE5:52 PMW-12:27 PMS247,394 mi
10
2%7:12 AME7:11 PMW-1:09 PMS249,105 mi
11
0%7:18 AME8:28 PMW-1:49 PMS250,494 mi
12
0%7:24 AMENE9:46 PMWNW-2:29 PMS251,533 mi
13
3%7:31 AMENE11:05 PMWNW-3:11 PMS252,173 mi
14
7%7:39 AMENE--3:53 PMS252,343 mi
15
13%-12:24 AMNW7:51 AMNE4:38 PMS251,965 mi
16
20%-1:42 AMNW8:09 AMNE5:25 PMS250,959 mi
17
28%-2:56 AMNW8:36 AMNE6:14 PMS249,271 mi
18
38%-3:59 AMNW9:18 AMNE7:05 PMS246,883 mi
19
48%-4:47 AMNW10:19 AMNE7:56 PMS243,840 mi
20
50%-5:19 AMNW11:35 AMNE8:47 PMS240,254 mi
21
69%-5:40 AMNW1:02 PMNE9:38 PMS236,318 mi
22
79%-5:54 AMWNW2:34 PMENE10:27 PMS232,303 mi
23
88%-6:05 AMWNW4:08 PMENE11:16 PMS228,539 mi
24
92%-6:13 AMW5:43 PME--
25
95%-6:21 AMW7:22 PME12:06 AMS225,381 mi
26
100%-6:29 AMWSW9:03 PMESE12:58 AMS223,161 mi
27
100%-6:38 AMWSW10:48 PMSE1:52 AMS222,123 mi
28
98%-6:52 AMSW-2:50 AMS222,382 mi
29
92%12:32 AMSE7:13 AMSW-3:53 AMS223,887 mi
30
84%2:07 AMSE7:47 AMSW-4:57 AMS226,440 mi

Humidity Comfort Levels in April 2021 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Humidity Comfort Levels in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Wind Speed in April 2021 at High Level Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mph30 mph30 mph35 mph35 mph40 mph40 mphMarMay
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in April 2021 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Hourly Wind Speed in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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.
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Growing Degree Days in April 2021 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Growing Degree Days in April 2021 at High Level AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300°F0°F20°F20°F40°F40°F60°F60°F80°F80°F100°F100°F120°F120°FMarMay
The growing degree days accumulated from reported temperatures over the course of April 2021 (solid black line), placed over the average accumulation (faint line), with 25th to 75th and 10th to 90th percentile bands. Gaps indicate days without enough temperature reports to calculate a complete daily value; totals following gaps may therefore be understated.

Hourly Wind Direction in 2021 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Hourly Wind Direction in 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 at High Level Airport

History:20232022JFMAprMJJASOND20202019
Atmospheric Pressure in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303029.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHgMarMay
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 High Level Airport19401950196019701980199020002010202019721972197319731974197419751975197619761977197719781978197919791980198019811981198219821983198319841984198519851986198619871987198819881989198919901990199119911992199219931993199419941995199519961996199719971998199819991999200020002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in April 2021 at High Level Airport Spring 2021

Number of Reports by Day in April 2021 at High Level Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030005050100100MarMay
regularspecialcorrection
The number of reports per day.

Reports by Hour in April 2021 at High Level Airport Spring 2021

Reports by Hour in April 2021 at High Level Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMMarMay
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 High Level Airport in April 2021.

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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