Fall Weather in Tegsh MongoliaDaily high temperatures decrease by 47°F, from 60°F to 13°F, rarely falling below 2°F or exceeding 70°F. Daily low temperatures decrease by 41°F, from 37°F to -4°F, rarely falling below -14°F or exceeding 45°F. For reference, on July 13, the hottest day of the year, temperatures in Tegsh typically range from 47°F to 70°F, while on January 19, the coldest day of the year, they range from -14°F to 6°F. The figure below shows you a compact characterization of the hourly average fall temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Healy, Alaska, United States (3,908 miles away) and Watson Lake, Yukon, Canada (4,517 miles) are the far-away foreign places with temperatures most similar to Tegsh (view comparison). CloudsThe fall in Tegsh experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 37% to 47%. The lowest chance of overcast or mostly cloudy conditions is 36% on September 17. The clearest day of the fall is September 17, with clear, mostly clear, or partly cloudy conditions 64% of the time. For reference, on April 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 48%, while on September 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Tegsh, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 13% and ending it at 1%. For reference, the year's highest daily chance of a wet day is 28% on July 25, and its lowest chance is 0% on February 27. Over the course of the fall in Tegsh, the chance of a day with only rain decreases from 12% to 0%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout. RainfallTo show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day. The average sliding 31-day rainfall during the fall in Tegsh is decreasing, starting the season at 0.6 inches, when it rarely exceeds 1.2 inches or falls below 0.1 inches, and ending the season at 0.0 inches, when it rarely exceeds -0.0 inches or falls below -0.0 inches. SunOver the course of the fall in Tegsh, the length of the day is very rapidly decreasing. From the start to the end of the season, the length of the day decreases by 4 hours, 49 minutes, implying an average daily decrease of 3 minutes, 12 seconds, and weekly decrease of 22 minutes, 27 seconds. The shortest day of the fall is November 30, with 8 hours, 36 minutes of daylight and the longest day is September 1, with 13 hours, 25 minutes of daylight. The earliest sunrise of the fall in Tegsh is 5:53 AM on September 1 and the latest sunrise is 2 hours, 13 minutes later at 8:06 AM on November 30. The latest sunset is 7:17 PM on September 1 and the earliest sunset is 2 hours, 35 minutes earlier at 4:42 PM on November 30. Daylight saving time is not observed in Tegsh during 2024. For reference, on June 20, the longest day of the year, the Sun rises at 4:32 AM and sets 16 hours, 10 minutes later, at 8:42 PM, while on December 21, the shortest day of the year, it rises at 8:26 AM and sets 8 hours, 16 minutes later, at 4:42 PM. The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation. MoonThe figure below presents a compact representation of key lunar data for the fall of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. HumidityWe base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The chance that a given day will be muggy in Tegsh is essentially constant during the fall, remaining around 0% throughout. WindThis section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The average hourly wind speed in Tegsh is essentially constant during the fall, remaining within 0.4 miles per hour of 8.0 miles per hour throughout. For reference, on April 29, the windiest day of the year, the daily average wind speed is 10.3 miles per hour, while on August 4, the calmest day of the year, the daily average wind speed is 7.1 miles per hour. The highest daily average wind speed during the fall is 8.4 miles per hour on October 29. The wind direction in Tegsh during the fall is predominantly out of the west from September 1 to September 29 and the south from September 29 to November 30. Growing SeasonDefinitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). The growing season in Tegsh typically lasts for 2.4 months (74 days), from around June 10 to around August 23, rarely starting before May 22 or after July 2, and rarely ending before August 4 or after September 10. The fall in Tegsh is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly decreasing from 28% to -0% over the course of the season. 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. The average accumulated growing degree days in Tegsh are gradually increasing during the fall, increasing by 63°F, from 796°F to 859°F, over the course of the season. Solar EnergyThis section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation. The average daily incident shortwave solar energy in Tegsh is very rapidly decreasing during the fall, falling by 3.8 kWh, from 5.4 kWh to 1.6 kWh, over the course of the season. TopographyFor the purposes of this report, the geographical coordinates of Tegsh are 48.751 deg latitude, 96.000 deg longitude, and 6,391 ft elevation. The topography within 2 miles of Tegsh contains very significant variations in elevation, with a maximum elevation change of 1,424 feet and an average elevation above sea level of 6,580 feet. Within 10 miles contains very significant variations in elevation (2,726 feet). Within 50 miles contains large variations in elevation (5,069 feet). The area within 2 miles of Tegsh is covered by sparse vegetation (82%) and bare soil (12%), within 10 miles by sparse vegetation (69%) and bare soil (24%), and within 50 miles by sparse vegetation (46%) and bare soil (45%). Data SourcesThis report illustrates the typical weather in Tegsh, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Tegsh is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Tegsh, according to the International Standard Atmosphere . 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. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. 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. DisclaimerThe information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. 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