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Fall 2021 Weather History at Merle K. (Mudhole) Smith Airport Alaska, United States

This report shows the past weather for Merle K. (Mudhole) Smith Airport, providing a weather history for the fall of 2021. It features all historical weather data series we have available, including the Merle K. (Mudhole) Smith Airport temperature history for the fall of 2021. You can drill down from year to month and even day level reports by clicking on the graphs.

Merle K. (Mudhole) Smith Airport Temperature History in the Fall of 2021

History:202520242023202220212020201920182017
Temperature history in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°FSummerWinter
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 Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Hourly Temperature in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWintercoldcoolvery 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 the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Cloud Cover in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
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.

Daily Precipitation in the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Daily Precipitation in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in3.5 in3.5 inSummerWinter
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Snow Depth in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov0 in0 in10 in10 in20 in20 in30 in30 in40 in40 inSummerWinter
The daily measured snow depth, where available.

Observed Weather in the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Observed Weather in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
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, Sep 1 Light Rain, Mist0.18 in-RA, BR
Thu, Sep 2 Rain, Light Rain, Mist0.68 inRA, -RA, BR
Fri, Sep 3 Heavy Rain, Rain, Light Rain, Mist1.00 in+RA, RA, -RA, BR
Sat, Sep 4 Light Rain, Fog, Mist0.00 in-RA, FG, BR
Sun, Sep 5 Light Rain, Fog, Mist-RA, FG, BR
Mon, Sep 6 Light Rain, Mist-RA, BR
Wed, Sep 8 Fog, Mist, Patches of ObscurationFG, BR, BC
Thu, Sep 9 Light Rain0.01 in-RA
Fri, Sep 10 Rain, Light Rain, Mist0.20 inRA, -RA, BR
Sat, Sep 11 Light Rain0.01 in-RA
Sun, Sep 12 Heavy Rain, Rain, Light Rain, Mist0.52 in+RA, RA, -RA, BR
Mon, Sep 13 Thunderstorm with Light Rain, Heavy Rain, Rain, Light Rain, Mist1.63 in-TSRA, +RA, RA, -RA, BR
Tue, Sep 14 Heavy Rain, Rain, Light Rain, Mist0.33 in+RA, RA, -RA, BR
Wed, Sep 15 Rain, Light Rain, Mist0.51 inRA, -RA, BR
Thu, Sep 16 Light Rain0.27 in-RA
Fri, Sep 17 Light Rain0.01 in-RA
Sat, Sep 18 MistBR
Sun, Sep 19 Rain, Mist0.01 inRA, BR
Mon, Sep 20 Rain, Light Rain, Mist0.39 inRA, -RA, BR
Tue, Sep 21 Rain, Light Rain, Mist1.26 inRA, -RA, BR
Wed, Sep 22 Light Rain0.00 in-RA
Thu, Sep 23 Rain, Light Rain, Mist0.44 inRA, -RA, BR
Fri, Sep 24 Heavy Rain, Rain, Light Rain, Mist0.91 in+RA, RA, -RA, BR
Sat, Sep 25 Light Rain0.23 in-RA
Tue, Sep 28 Light Rain0.00 in-RA
Wed, Sep 29 Light Rain, Mist0.28 in-RA, BR
Thu, Sep 30 Rain, Light Rain, Mist0.67 inRA, -RA, BR
Fri, Oct 1 Thunderstorm with Light Rain, Thunderstorm with Rain, Heavy Rain, Rain, Light Rain, Mist0.39 in-TSRA, TSRA, +RA, RA, -RA, BR
Sat, Oct 2 Light Rain, Mist0.18 in-RA, BR
Tue, Oct 5 Light Rain0.00 in-RA
Wed, Oct 6 Rain, Light Rain, Mist0.58 inRA, -RA, BR
Thu, Oct 7 Light Rain, Mist0.08 in-RA, BR
Fri, Oct 8 Rain, Light Rain, Mist0.86 inRA, -RA, BR
Sat, Oct 9 Light Rain, Mist0.04 in-RA, BR
Sun, Oct 10 Light Rain0.02 in-RA
Mon, Oct 11 Rain, Light Rain, Mist0.06 inRA, -RA, BR
Tue, Oct 12 Light Rain, Mist0.50 in-RA, BR
Wed, Oct 13 Light Rain, Mist0.03 in-RA, BR
Thu, Oct 14 Heavy Rain, Rain, Light Rain, Mist0.49 in+RA, RA, -RA, BR
Fri, Oct 15 Light Rain and Snow, Rain, Light Rain, Mist0.33 in-RASN, RA, -RA, BR
Sat, Oct 16 Rain, Light Rain, Mist0.32 inRA, -RA, BR
Sun, Oct 17 Rain, Light Rain, Mist0.23 inRA, -RA, BR
Mon, Oct 18 Light Rain0.00 in-RA
Tue, Oct 19 Light Rain, Mist0.36 in-RA, BR
Wed, Oct 20 Rain, Light Rain, Mist0.46 inRA, -RA, BR
Thu, Oct 21 Rain, Light Rain, Mist1.20 inRA, -RA, BR
Fri, Oct 22 Heavy Rain, Rain, Light Rain0.34 in+RA, RA, -RA
Sat, Oct 23 Heavy Rain, Rain, Light Rain, Mist0.14 in+RA, RA, -RA, BR
Sun, Oct 24 Light Rain0.00 in-RA
Wed, Oct 27 Light Snow, Light Rain, Mist, Unknown Precipitation0.18 in-SN, -RA, BR, UP
Thu, Oct 28 Thunderstorm, Thunderstorm with Rain, Heavy Snow, Snow, Light Snow, Heavy Rain and Snow, Rain, Light Rain, Fog, Mist0.76 inTS, TSRA, +SN, SN, -SN, +RASN, RA, -RA, FG, BR
Fri, Oct 29 Light Snow, Light Rain and Snow, Light Rain, Mist, Unknown Precipitation0.26 in-SN, -RASN, -RA, BR, UP
Sat, Oct 30 Rain, Light Rain1.16 inRA, -RA
Sun, Oct 31 Rain, Light Rain1.35 inRA, -RA
Mon, Nov 1 Rain, Light Rain, Mist2.09 inRA, -RA, BR
Tue, Nov 2 Rain, Light Rain, Mist0.73 inRA, -RA, BR
Wed, Nov 3 Light Rain, Haze, Fog, Mist0.31 in-RA, HZ, FG, BR
Thu, Nov 4 Light Rain0.01 in-RA
Fri, Nov 5 Light Snow, Light Snow and Rain, Light Rain, Mist0.29 in-SN, -SNRA, -RA, BR
Sat, Nov 6 Snow, Light Snow, Rain, Light Rain, Fog, Mist1.06 inSN, -SN, RA, -RA, FG, BR
Sun, Nov 7 Light Snow, Light Rain, Mist0.05 in-SN, -RA, BR
Mon, Nov 8 MistBR
Wed, Nov 10 Heavy Snow, Snow, Light Snow, Light Rain and Snow, Light Rain, Fog, Freezing Fog, Mist0.28 in+SN, SN, -SN, -RASN, -RA, FG, FZFG, BR
Thu, Nov 11 Light Snow, Light Rain and Snow, Light Rain, Mist, Unknown Precipitation0.16 in-SN, -RASN, -RA, BR, UP
Fri, Nov 12 Light Snow, Mist0.00 in-SN, BR
Sat, Nov 13 Heavy Snow, Snow, Light Snow, Haze, Fog, Mist0.09 in+SN, SN, -SN, HZ, FG, BR
Mon, Nov 15 MistBR
Tue, Nov 16 Heavy Snow, Snow, Light Snow, Haze0.00 in+SN, SN, -SN, HZ
Wed, Nov 17 Heavy Snow, Snow, Light Snow, Haze, Freezing Fog, Mist0.03 in+SN, SN, -SN, HZ, FZFG, BR
Sun, Nov 21 Heavy Snow, Snow, Light Snow, Haze, Freezing Fog, Mist0.64 in+SN, SN, -SN, HZ, FZFG, BR
Mon, Nov 22 Heavy Snow, Snow, Light Snow, Haze0.01 in+SN, SN, -SN, HZ
Tue, Nov 23 Heavy Snow, Snow, Light Snow, Haze, Mist0.02 in+SN, SN, -SN, HZ, BR
Wed, Nov 24 Light Snow, Mist0.01 in-SN, BR
Thu, Nov 25 Heavy Snow, Snow, Light Snow, Freezing Fog, Mist0.14 in+SN, SN, -SN, FZFG, BR
Fri, Nov 26 Heavy Snow, Snow, Light Snow, Haze, Freezing Fog, Mist0.24 in+SN, SN, -SN, HZ, FZFG, BR
Sat, Nov 27 Light Snow, Haze, Freezing Fog, Mist0.00 in-SN, HZ, FZFG, BR
Sun, Nov 28 Heavy Snow, Snow, Light Snow, Haze, Freezing Fog, Mist0.05 in+SN, SN, -SN, HZ, FZFG, BR
Mon, Nov 29 Light Snow, Light Rain, Haze0.00 in-SN, -RA, HZ
Tue, Nov 30 Light Snow, Light Rain and Snow, Rain and Snow, Heavy Rain, Light Rain, Fog, Mist0.64 in-SN, -RASN, RASN, +RA, -RA, FG, BR

Hours of Daylight and Twilight in the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Hours of Daylight and Twilight in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterSep 2212 hr, 18 minSep 2212 hr, 18 minnightnightdaydayNov 306 hr, 21 minNov 306 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 the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Sunrise & Sunset with Twilight and Daylight Saving Time in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWinter6:36 AM6:36 AMSep 18:44 PMSep 18:44 PM9:20 AM9:20 AMNov 303:40 PMNov 303:40 PM9:20 AM9:20 AMNov 65:29 PMNov 65:29 PM7:24 AM7:24 AMSep 217:43 PMSep 217:43 PM
The solar day over the course of the Fall of 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 the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Solar Elevation and Azimuth in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 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 AMSummerWinter01020300010203040
northeastsouthwest
Solar elevation and azimuth in the the fall of 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 the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Moon Rise, Set & Phases in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterAug 85:51 AMAug 85:51 AMAug 224:03 AMAug 224:03 AMSep 64:52 PMSep 64:52 PMSep 203:55 PMSep 203:55 PMOct 63:06 AMOct 63:06 AMOct 206:57 AMOct 206:57 AMNov 41:15 PMNov 41:15 PMNov 1811:58 PMNov 1811:58 PMDec 310:44 PMDec 310:44 PMDec 187:36 PMDec 187:36 PM10:44 PM10:44 PM5:55 AM5:55 AM9:05 PM9:05 PM8:17 PM8:17 PM8:02 AM8:02 AM7:26 PM7:26 PM6:33 PM6:33 PM8:32 AM8:32 AM5:44 PM5:44 PM3:09 PM3:09 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.

Humidity Comfort Levels in the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Humidity Comfort Levels in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
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 Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Wind Speed in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphSummerWinter
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Hourly Wind Speed in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
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 the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Growing Degree Days in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov0°F0°F100°F100°F200°F200°F300°F300°F400°F400°F500°F500°F600°F600°FSummerWinter
The growing degree days accumulated from reported temperatures over the course of the fall (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 Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Hourly Wind Direction in 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Fall of 2021 at Merle K. (Mudhole) Smith Airport

History:202520242023202220212020201920182017
Atmospheric Pressure in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov28.5 inHg28.5 inHg29.0 inHg29.0 inHg29.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHgSummerWinter
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 Merle K. (Mudhole) Smith Airport19401950196019701980199020002010202019421942194319431944194419451945194619461947194719481948194919491950195019511951195219521953195319541954195519551956195619571957195819581959195919601960196119611962196219631963196419641965196519661966196719671968196819691969197019701971197119721972197319731974197419751975197619761977197719781978197919791980198019811981198219821983198319841984198519851986198619871987198819881989198919901990199119911992199219931993199419941995199519961996199719971998199819991999200020002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Fall of 2021 at Merle K. (Mudhole) Smith Airport 2021

Number of Reports by Day in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov002020404060608080100100SummerWinter
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Fall of 2021 at Merle K. (Mudhole) Smith Airport 2021

Reports by Hour in the Fall of 2021 at Merle K. (Mudhole) Smith AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
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 Merle K. (Mudhole) Smith Airport in the fall of 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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