April Weather in Jingzhou ChinaDaily high temperatures increase by 11°F, from 67°F to 78°F, rarely falling below 55°F or exceeding 88°F. Daily low temperatures increase by 11°F, from 51°F to 61°F, rarely falling below 43°F or exceeding 69°F. For reference, on July 29, the hottest day of the year, temperatures in Jingzhou typically range from 78°F to 92°F, while on January 19, the coldest day of the year, they range from 32°F to 47°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on April. 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. Memphis, United States (7,694 miles away) is the far-away foreign place with temperatures most similar to Jingzhou (view comparison). CloudsThe month of April in Jingzhou experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 51% throughout the month. The highest chance of overcast or mostly cloudy conditions is 51% on April 22. The clearest day of the month is April 30, with clear, mostly clear, or partly cloudy conditions 50% of the time. For reference, on July 8, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on December 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Jingzhou, the chance of a wet day over the course of April is increasing, starting the month at 30% and ending it at 34%. For reference, the year's highest daily chance of a wet day is 42% on July 8, and its lowest chance is 9% on December 25. RainfallTo show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The average sliding 31-day rainfall during April in Jingzhou is rapidly increasing, starting the month at 3.1 inches, when it rarely exceeds 5.3 inches or falls below 1.2 inches, and ending the month at 4.5 inches, when it rarely exceeds 6.6 inches or falls below 2.2 inches. SunOver the course of April in Jingzhou, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 50 minutes, implying an average daily increase of 1 minute, 43 seconds, and weekly increase of 12 minutes, 4 seconds. The shortest day of the month is April 1, with 12 hours, 30 minutes of daylight and the longest day is April 30, with 13 hours, 20 minutes of daylight. The latest sunrise of the month in Jingzhou is 6:20 AM on April 1 and the earliest sunrise is 32 minutes earlier at 5:48 AM on April 30. The earliest sunset is 6:50 PM on April 1 and the latest sunset is 18 minutes later at 7:08 PM on April 30. Daylight saving time is not observed in Jingzhou during 2024. For reference, on June 20, the longest day of the year, the Sun rises at 5:29 AM and sets 14 hours, 6 minutes later, at 7:36 PM, while on December 21, the shortest day of the year, it rises at 7:23 AM and sets 10 hours, 11 minutes later, at 5:35 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 April 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 Jingzhou is rapidly increasing during April, rising from 2% to 20% over the course of the month. For reference, on July 21, the muggiest day of the year, there are muggy conditions 100% 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 Jingzhou is essentially constant during April, remaining within 0.1 miles per hour of 7.8 miles per hour throughout. For reference, on April 30, the windiest day of the year, the daily average wind speed is 8.0 miles per hour, while on October 19, the calmest day of the year, the daily average wind speed is 6.5 miles per hour. The wind direction in Jingzhou during April is predominantly out of the north from April 1 to April 8 and the south from April 8 to April 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 Jingzhou typically lasts for 9.5 months (287 days), from around February 24 to around December 7, rarely starting before February 4 or after March 13, and rarely ending before November 18 or after December 25. The month of April in Jingzhou is reliably fully within 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 Jingzhou are increasing during April, increasing by 409°F, from 229°F to 639°F, over the course of the month. 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 Jingzhou is gradually increasing during April, rising by 0.8 kWh, from 4.6 kWh to 5.4 kWh, over the course of the month. TopographyFor the purposes of this report, the geographical coordinates of Jingzhou are 30.350 deg latitude, 112.190 deg longitude, and 128 ft elevation. The topography within 2 miles of Jingzhou is essentially flat, with a maximum elevation change of 95 feet and an average elevation above sea level of 114 feet. Within 10 miles is essentially flat (262 feet). Within 50 miles contains only modest variations in elevation (2,825 feet). The area within 2 miles of Jingzhou is covered by artificial surfaces (48%), water (18%), bare soil (18%), and cropland (13%), within 10 miles by cropland (47%) and water (21%), and within 50 miles by cropland (55%) and trees (15%). Data SourcesThis report illustrates the typical weather in Jingzhou, 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, Wuhan Tianhe International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Jingzhou. At a distance of 199 kilometers from Jingzhou, 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 Jingzhou to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 50%, making the weight assigned to the weather station 50%. 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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