January Weather in Alage’er ChinaDaily high temperatures increase by 4°F, from 31°F to 35°F, rarely falling below 22°F or exceeding 43°F. The lowest daily average high temperature is 30°F on January 10. Daily low temperatures increase by 3°F, from 14°F to 17°F, rarely falling below 5°F or exceeding 24°F. The lowest daily average low temperature is 13°F on January 12. For reference, on July 23, the hottest day of the year, temperatures in Alage’er typically range from 72°F to 92°F, while on January 11, the coldest day of the year, they range from 13°F to 30°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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. Moab, Utah, United States (7,040 miles away) and Washington, Kansas, United States (6,966 miles) are the far-away foreign places with temperatures most similar to Alage’er (view comparison). CloudsThe month of January in Alage’er experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 50% to 55%. The clearest day of the month is January 2, with clear, mostly clear, or partly cloudy conditions 50% of the time. For reference, on March 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on August 9, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 89%. PrecipitationSunOver the course of January in Alage’er, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 43 minutes, implying an average daily increase of 1 minute, 25 seconds, and weekly increase of 9 minutes, 57 seconds. The shortest day of the month is January 1, with 9 hours, 27 minutes of daylight and the longest day is January 31, with 10 hours, 10 minutes of daylight. The latest sunrise of the month in Alage’er is 10:08 AM on January 5 and the earliest sunrise is 11 minutes earlier at 9:57 AM on January 31. The earliest sunset is 7:35 PM on January 1 and the latest sunset is 32 minutes later at 8:06 PM on January 31. Daylight saving time is not observed in Alage’er during 2024. For reference, on June 20, the longest day of the year, the Sun rises at 7:21 AM and sets 14 hours, 57 minutes later, at 10:18 PM, while on December 21, the shortest day of the year, it rises at 10:04 AM and sets 9 hours, 24 minutes later, at 7:28 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 January 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 Alage’er is essentially constant during January, remaining around 0% throughout. For reference, on July 26, the muggiest day of the year, there are muggy conditions 1% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time. 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 Alage’er is gradually increasing during January, increasing from 4.4 miles per hour to 4.9 miles per hour over the course of the month. For reference, on May 3, the windiest day of the year, the daily average wind speed is 8.1 miles per hour, while on December 29, the calmest day of the year, the daily average wind speed is 4.4 miles per hour. The hourly average wind direction in Alage’er throughout January is predominantly from the east, with a peak proportion of 63% on January 31. 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 Alage’er typically lasts for 7.7 months (236 days), from around March 13 to around November 4, rarely starting before February 26 or after March 30, and rarely ending before October 16 or after November 22. The month of January in Alage’er is reliably fully outside of the growing 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 Alage’er are essentially constant during January, remaining around 0°F throughout. 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 Alage’er is gradually increasing during January, rising by 0.7 kWh, from 2.5 kWh to 3.1 kWh, over the course of the month. TopographyFor the purposes of this report, the geographical coordinates of Alage’er are 39.343 deg latitude, 77.901 deg longitude, and 3,780 ft elevation. The topography within 2 miles of Alage’er is essentially flat, with a maximum elevation change of 36 feet and an average elevation above sea level of 3,771 feet. Within 10 miles is essentially flat (174 feet). Within 50 miles contains only modest variations in elevation (4,547 feet). The area within 2 miles of Alage’er is covered by cropland (66%) and grassland (25%), within 10 miles by grassland (51%) and cropland (29%), and within 50 miles by grassland (36%) and bare soil (28%). Data SourcesThis report illustrates the typical weather in Alage’er, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Temperature and Dew PointThere is only a single weather station, Kashgar Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Alage’er. At a distance of 163 kilometers from Alage’er, further than our threshold of 150 kilometers, this station is deemed insufficiently nearby to be relied upon as our primary source for temperature and dew point records. Consequently, the station records are blended with interpolated values from NASA's MERRA-2 satellite-era reanalysis , and both are corrected for elevation differences according to the International Standard Atmosphere . The weight assigned to the MERRA-2 value depends on the distance from Alage’er to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 21%, making the weight assigned to the weather station 79%. Other DataAll 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. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . 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. 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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