October Weather at Allen Army Air Field United States

Daily high temperatures decrease by 22°F, from 43°F to 22°F, rarely falling below 7°F or exceeding 55°F.

Daily low temperatures decrease by 20°F, from 29°F to 9°F, rarely falling below -9°F or exceeding 41°F.

For reference, on July 8, the hottest day of the year, temperatures at Allen Army Air Field typically range from 53°F to 70°F, while on January 17, the coldest day of the year, they range from -6°F to 8°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. 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.

Khanty-Mansiysk, Russia (3,618 miles away); Sorsk, Russia (3,759 miles); and Vidim, Russia (3,363 miles) are the far-away foreign places with temperatures most similar to Allen Army Air Field (view comparison).

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The month of October at Allen Army Air Field experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 59% throughout the month.

The clearest day of the month is October 26, with clear, mostly clear, or partly cloudy conditions 42% of the time.

For reference, on September 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on March 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 50%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Allen Army Air Field, the chance of a wet day over the course of October is very rapidly decreasing, starting the month at 17% and ending it at 7%.

For reference, the year's highest daily chance of a wet day is 35% on July 3, and its lowest chance is 3% on March 22.

Over the course of October at Allen Army Air Field, the chance of a day with only rain decreases from 10% to 1%, the chance of a day with mixed snow and rain decreases from 3% to 1%, and the chance of a day with only snow remains an essentially constant 5% throughout.

Rainfall

To 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 October at Allen Army Air Field is decreasing, starting the month at 0.6 inches, when it rarely exceeds 1.4 inches or falls below 0.1 inches, and ending the month at 0.1 inches, when it rarely exceeds 0.2 inches or falls below -0.0 inches.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during October at Allen Army Air Field is gradually increasing, starting the month at 2.5 inches, when it rarely exceeds 6.3 inches or falls below 0.1 inches, and ending the month at 3.0 inches, when it rarely exceeds 7.4 inches.

The highest average 31-day accumulation is 3.1 inches on October 16.

Over the course of October at Allen Army Air Field, the length of the day is very rapidly decreasing. From the start to the end of the month, the length of the day decreases by 3 hours, 13 minutes, implying an average daily decrease of 6 minutes, 25 seconds, and weekly decrease of 44 minutes, 57 seconds.

The shortest day of the month is October 31, with 8 hours, 3 minutes of daylight and the longest day is October 1, with 11 hours, 15 minutes of daylight.

The earliest sunrise of the month at Allen Army Air Field is 7:53 AM on October 1 and the latest sunrise is 1 hour, 31 minutes later at 9:24 AM on October 31.

The latest sunset is 7:09 PM on October 1 and the earliest sunset is 1 hour, 42 minutes earlier at 5:27 PM on October 31.

Daylight saving time is observed at Allen Army Air Field during 2024, but it neither starts nor ends during October, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 3:14 AM and sets 21 hours, 1 minute later, at 12:15 AM, while on December 21, the shortest day of the year, it rises at 10:35 AM and sets 4 hours, 12 minutes later, at 2:47 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.

The figure below presents a compact representation of key lunar data for October 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.

We 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 at Allen Army Air Field is essentially constant during October, remaining around 0% throughout.

This 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 at Allen Army Air Field is essentially constant during October, remaining within 0.2 miles per hour of 6.2 miles per hour throughout.

For reference, on January 2, the windiest day of the year, the daily average wind speed is 8.3 miles per hour, while on July 13, the calmest day of the year, the daily average wind speed is 5.5 miles per hour.

The hourly average wind direction at Allen Army Air Field throughout October is predominantly from the south, with a peak proportion of 64% on October 31.

Definitions 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 at Allen Army Air Field typically lasts for 3.6 months (112 days), from around May 15 to around September 4, rarely starting before April 28 or after May 31, and rarely ending before August 17 or after September 23.

The month of October at Allen Army Air Field is very likely fully outside of the growing season, with the chance that a given day is in the growing season gradually decreasing from 3% to 0% over the course of the month.

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 at Allen Army Air Field are essentially constant during October, remaining within 2°F of 979°F throughout.

This 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 at Allen Army Air Field is decreasing during October, falling by 1.1 kWh, from 1.8 kWh to 0.7 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Allen Army Air Field are 63.994 deg latitude, -145.720 deg longitude, and 1,253 ft elevation.

The topography within 2 miles of Allen Army Air Field contains only modest variations in elevation, with a maximum elevation change of 171 feet and an average elevation above sea level of 1,245 feet. Within 10 miles contains only modest variations in elevation (1,014 feet). Within 50 miles contains very significant variations in elevation (13,074 feet).

The area within 2 miles of Allen Army Air Field is covered by trees (53%), sparse vegetation (27%), and bare soil (11%), within 10 miles by trees (60%) and cropland (12%), and within 50 miles by trees (46%) and shrubs (25%).