February Weather in Shuangtai ChinaDaily high temperatures increase by 9°F, from 26°F to 36°F, rarely falling below 15°F or exceeding 45°F. Daily low temperatures increase by 11°F, from 11°F to 22°F, rarely falling below 1°F or exceeding 30°F. For reference, on August 2, the hottest day of the year, temperatures in Shuangtai typically range from 71°F to 82°F, while on January 18, the coldest day of the year, they range from 9°F to 24°F. Average High and Low Temperature in February in Shuangtai
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on February. 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. Average Hourly Temperature in February in Shuangtai
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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
La Crosse, Wisconsin, United States (6,275 miles away) is the far-away foreign place with temperatures most similar to Shuangtai (view comparison). CloudsThe month of February in Shuangtai experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 26% to 33%. The clearest day of the month is February 1, with clear, mostly clear, or partly cloudy conditions 74% of the time. For reference, on July 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 45%, while on January 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Shuangtai, the chance of a wet day over the course of February is gradually increasing, starting the month at 2% and ending it at 5%. For reference, the year's highest daily chance of a wet day is 38% on July 22, and its lowest chance is 1% on January 27. Over the course of February in Shuangtai, the chance of a day with only rain remains an essentially constant 1% throughout, 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 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 February in Shuangtai is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.5 inches. Average Monthly Rainfall in February in Shuangtai
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
SnowfallAs with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day. The average sliding 31-day snowfall during February in Shuangtai is gradually increasing, starting the month at 0.7 inches, when it rarely exceeds 2.4 inches or falls below -0.0 inches, and ending the month at 1.4 inches, when it rarely exceeds 2.8 inches or falls below -0.0 inches. The highest average 31-day accumulation is 1.4 inches on February 28. Average Monthly Snowfall in February in Shuangtai
The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.
SunOver the course of February in Shuangtai, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 8 minutes, implying an average daily increase of 2 minutes, 26 seconds, and weekly increase of 16 minutes, 59 seconds. The shortest day of the month is February 1, with 10 hours, 8 minutes of daylight and the longest day is February 29, with 11 hours, 16 minutes of daylight. Hours of Daylight and Twilight in February in Shuangtai
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.
The latest sunrise of the month in Shuangtai is 7:00 AM on February 1 and the earliest sunrise is 35 minutes earlier at 6:25 AM on February 29. The earliest sunset is 5:08 PM on February 1 and the latest sunset is 33 minutes later at 5:41 PM on February 29. Daylight saving time is not observed in Shuangtai during 2024. For reference, on June 20, the longest day of the year, the Sun rises at 4:21 AM and sets 15 hours, 2 minutes later, at 7:23 PM, while on December 21, the shortest day of the year, it rises at 7:09 AM and sets 9 hours, 18 minutes later, at 4:28 PM. Sunrise & Sunset with Twilight in February in Shuangtai
The solar day over the course of February. 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 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. Solar Elevation and Azimuth in February in Shuangtai
northeastsouthwest
Solar elevation and azimuth over the course of February 2024. 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).
MoonThe figure below presents a compact representation of key lunar data for February 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 Shuangtai is essentially constant during February, remaining around 0% throughout. For reference, on July 29, the muggiest day of the year, there are muggy conditions 89% 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 Shuangtai is gradually increasing during February, increasing from 10.5 miles per hour to 11.1 miles per hour over the course of the month. For reference, on April 14, the windiest day of the year, the daily average wind speed is 11.8 miles per hour, while on August 16, the calmest day of the year, the daily average wind speed is 7.7 miles per hour. The hourly average wind direction in Shuangtai throughout February is predominantly from the north, with a peak proportion of 58% on February 1. Wind Direction in February in Shuangtai
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).
Water TemperatureShuangtai is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water. The average surface water temperature in Shuangtai is essentially constant during February, remaining around 32°F throughout. The lowest average surface water temperature during February is 31°F on February 12. 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 Shuangtai typically lasts for 6.7 months (207 days), from around April 6 to around October 29, rarely starting before March 23 or after April 20, and rarely ending before October 15 or after November 13. The month of February in Shuangtai is reliably fully outside of the growing season. Time Spent in Various Temperature Bands and the Growing Season in February in Shuangtai
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 percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is 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 Shuangtai are essentially constant during February, 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 Shuangtai is increasing during February, rising by 1.0 kWh, from 3.1 kWh to 4.1 kWh, over the course of the month. TopographyFor the purposes of this report, the geographical coordinates of Shuangtai are 40.218 deg latitude, 122.274 deg longitude, and 194 ft elevation. The topography within 2 miles of Shuangtai contains very significant variations in elevation, with a maximum elevation change of 889 feet and an average elevation above sea level of 346 feet. Within 10 miles contains very significant variations in elevation (2,720 feet). Within 50 miles contains large variations in elevation (3,655 feet). The area within 2 miles of Shuangtai is covered by trees (50%) and cropland (44%), within 10 miles by trees (59%) and cropland (30%), and within 50 miles by trees (33%) and water (32%). Data SourcesThis report illustrates the typical weather in Shuangtai, 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, Shenyang Taoxian International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Shuangtai. At a distance of 188 kilometers from Shuangtai, 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 Shuangtai to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 43%, making the weight assigned to the weather station 57%. 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 . 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