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December 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 December 2021. It features all historical weather data series we have available, including the Merle K. (Mudhole) Smith Airport temperature history for December 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 December 2021

History:20232022JFMAMJJASONDec20202019
Temperature history in December 2021 at Merle K. (Mudhole) Smith Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°FNovJan
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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Hourly Temperature in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJanfrigidfreezing
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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Cloud Cover in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Daily Precipitation in December 2021 at Merle K. (Mudhole) Smith Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 inNovJan
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Snow Depth in December 2021 at Merle K. (Mudhole) Smith Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 in0 in10 in10 in20 in20 in30 in30 in40 in40 inNovJan
The daily measured snow depth, where available.

Observed Weather in December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Observed Weather in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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, Dec 1 Heavy Snow, Snow, Light Snow, Light Rain and Snow, Haze, Fog, Freezing Fog, Mist0.19 in+SN, SN, -SN, -RASN, HZ, FG, FZFG, BR
Thu, Dec 2 Haze, Mist0.00 inHZ, BR
Sun, Dec 5 Light Snow, Mist-SN, BR
Mon, Dec 6 Snow, Light Snow, Light Rain and Snow, Light Rain, MistSN, -SN, -RASN, -RA, BR
Tue, Dec 7 Light Rain and Snow, Light Rain, Mist-RASN, -RA, BR
Wed, Dec 8 Light Snow0.00 in-SN
Thu, Dec 9 Heavy Snow, Snow, Light Snow, Fog, Mist, Blowing Snow0.14 in+SN, SN, -SN, FG, BR, BLSN
Fri, Dec 10 Snow, Light Snow, Fog, Mist0.04 inSN, -SN, FG, BR
Sat, Dec 11 Light Snow0.00 in-SN
Sun, Dec 12 Light Snow0.00 in-SN
Mon, Dec 13 Heavy Snow, Snow, Light Snow, Freezing Fog, Mist, Unknown Precipitation0.24 in+SN, SN, -SN, FZFG, BR, UP
Tue, Dec 14 Heavy Snow, Snow, Light Snow, Freezing Fog, Mist0.15 in+SN, SN, -SN, FZFG, BR
Wed, Dec 15 Haze, Freezing Fog, Mist, Patches of FogHZ, FZFG, BR, BCFG
Thu, Dec 16 Light Snow, Mist0.04 in-SN, BR
Fri, Dec 17 Light Snow, Haze, Freezing Fog, Mist, Patches of Fog0.06 in-SN, HZ, FZFG, BR, BCFG
Mon, Dec 20 Snow, Light Snow, Freezing Fog, Mist0.17 inSN, -SN, FZFG, BR
Tue, Dec 21 Light Snow, Mist0.00 in-SN, BR
Wed, Dec 22 Light Snow, Haze, Mist0.01 in-SN, HZ, BR
Sun, Dec 26 Light Snow, Light Freezing Rain, Mist0.00 in-SN, -FZRA, BR
Mon, Dec 27 Freezing Fog, Mist0.00 inFZFG, BR
Tue, Dec 28 Light Snow, Light Rain, Mist0.09 in-SN, -RA, BR
Wed, Dec 29 Rain, Light Rain, Mist0.12 inRA, -RA, BR
Fri, Dec 31 Light Snow, Light Rain and Snow, Mist0.02 in-SN, -RASN, BR

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

History:20232022JFMAMJJASONDec20202019
Hours of Daylight and Twilight in December 2021 at Merle K. (Mudhole) Smith Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 215 hr, 43 minDec 215 hr, 43 minnightnightdaydayDec 16 hr, 17 minDec 16 hr, 17 minDec 315 hr, 52 minDec 315 hr, 52 minDec 115 hr, 51 minDec 115 hr, 51 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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Sunrise & Sunset with Twilight in December 2021 at Merle K. (Mudhole) Smith Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNovJan9:22 AM9:22 AMDec 13:39 PMDec 13:39 PM9:49 AM9:49 AMDec 313:41 PMDec 313:41 PM9:45 AM9:45 AMDec 163:30 PMDec 163:30 PM
The solar day over the course of December 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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Solar Elevation and Azimuth in December 2021 at Merle K. (Mudhole) Smith AirportDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan0000
northeastsouthwest
Solar elevation and azimuth over the course of December 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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Moon Rise, Set & Phases in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanDec 310:44 PMDec 310:44 PMDec 187:36 PMDec 187:36 PMJan 29:34 AMJan 29:34 AM8:47 AM8:47 AM3:09 PM3:09 PM2:40 PM2:40 PM10:53 AM10:53 AM3:01 PM3:01 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.
Dec 2021IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
9%5:08 AMESE2:53 PMWSW-10:02 AMS225,776 mi
2
3%6:54 AMESE2:58 PMSW-10:57 AMS223,257 mi
3
0%8:47 AMSE3:09 PMSW-11:58 AMS221,890 mi
4
1%10:39 AMSSE3:30 PMSSW-1:05 PMS221,857 mi
5
4%12:12 PMSSE4:16 PMSSW-2:14 PMS223,168 mi
6
11%1:07 PMSSE5:38 PMSSW-3:22 PMS225,651 mi
7
19%1:32 PMSE7:20 PMSW-4:26 PMS228,990 mi
8
29%1:44 PMSE9:04 PMSW-5:23 PMS232,813 mi
9
40%1:50 PMESE10:41 PMWSW-6:15 PMS236,759 mi
10
50%1:54 PMESE--7:01 PMS240,531 mi
11
62%-12:12 AMWSW1:56 PME7:44 PMS243,911 mi
12
71%-1:39 AMW1:58 PME8:25 PMS246,764 mi
13
80%-3:02 AMW1:59 PMENE9:06 PMS249,027 mi
14
87%-4:25 AMWNW2:02 PMENE9:47 PMS250,691 mi
15
93%-5:49 AMWNW2:05 PMNE10:30 PMS251,784 mi
16
97%-7:15 AMNW2:11 PMNE11:14 PMS252,355 mi
17
98%-8:41 AMNW2:21 PMNE--
18
100%-10:03 AMNNW2:40 PMNNE12:01 AMS252,457 mi
19
100%-11:12 AMNNW3:15 PMNNE12:50 AMS252,132 mi
20
99%-11:59 AMNNW4:14 PMNNE1:39 AMS251,402 mi
21
95%-12:26 PMNNW5:32 PMNE2:29 AMS250,268 mi
22
90%-12:40 PMNW7:00 PMNE3:18 AMS248,716 mi
23
83%-12:48 PMNW8:30 PMNE4:05 AMS246,725 mi
24
75%-12:52 PMWNW10:00 PMENE4:51 AMS244,285 mi
25
66%-12:55 PMWNW11:29 PMENE5:35 AMS241,412 mi
26
50%-12:57 PMW-6:19 AMS238,172 mi
27
44%1:00 AME1:00 PMW-7:04 AMS234,690 mi
28
33%2:34 AMESE1:02 PMWSW-7:50 AMS231,164 mi
29
22%4:14 AMESE1:06 PMWSW-8:41 AMS227,863 mi
30
13%6:00 AMSE1:14 PMSW-9:37 AMS225,107 mi
31
6%7:51 AMSE1:28 PMSW-10:40 AMS223,220 mi

Humidity Comfort Levels in December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Humidity Comfort Levels in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Wind Speed in December 2021 at Merle K. (Mudhole) Smith Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphNovJan
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Hourly Wind Speed in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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 December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Growing Degree Days in December 2021 at Merle K. (Mudhole) Smith AirportDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310°F0°F100°F100°F200°F200°F300°F300°F400°F400°F500°F500°F600°F600°FNovJan
The growing degree days accumulated from reported temperatures over the course of December 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 Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Hourly Wind Direction in 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in December 2021 at Merle K. (Mudhole) Smith Airport

History:20232022JFMAMJJASONDec20202019
Atmospheric Pressure in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313128.5 inHg28.5 inHg29.0 inHg29.0 inHg29.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHgNovJan
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 December 2021 at Merle K. (Mudhole) Smith Airport Winter 2021

Number of Reports by Day in December 2021 at Merle K. (Mudhole) Smith Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131002020404060608080100100NovJan
regularspecialcorrection
The number of reports per day.

Reports by Hour in December 2021 at Merle K. (Mudhole) Smith Airport Winter 2021

Reports by Hour in December 2021 at Merle K. (Mudhole) Smith Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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 December 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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