Spring Weather in Ntui Cameroon

Daily high temperatures decrease by 5°F, from 90°F to 85°F, rarely falling below 81°F or exceeding 95°F.

Daily low temperatures are around 71°F, rarely falling below 68°F or exceeding 74°F. The highest daily average low temperature is 72°F on March 20.

For reference, on February 20, the hottest day of the year, temperatures in Ntui typically range from 71°F to 90°F, while on January 1, the coldest day of the year, they range from 67°F to 87°F.

The figure below shows you a compact characterization of the hourly average spring 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.

Sortova, Panama (6,472 miles away); Acacías, Colombia (5,887 miles); and Barquisimeto, Venezuela (5,559 miles) are the far-away foreign places with temperatures most similar to Ntui (view comparison).

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The spring in Ntui experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 79% throughout the season. The highest chance of overcast or mostly cloudy conditions is 85% on April 24.

The clearest day of the spring is March 1, with clear, mostly clear, or partly cloudy conditions 27% of the time.

For reference, on April 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on January 9, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 37%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ntui, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 26% and ending it at 60%.

For reference, the year's highest daily chance of a wet day is 84% on October 16, and its lowest chance is 3% on January 2.

Rainfall

To 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 spring in Ntui is very rapidly increasing, starting the season at 1.6 inches, when it rarely exceeds 3.5 inches or falls below 0.2 inches, and ending the season at 4.4 inches, when it rarely exceeds 7.6 inches or falls below 1.9 inches.

The highest average 31-day accumulation is 4.9 inches on May 1.

Over the course of the spring in Ntui, the length of the day is gradually increasing. From the start to the end of the season, the length of the day increases by 20 minutes, implying an average daily increase of 13 seconds, and weekly increase of 1 minute, 31 seconds.

The shortest day of the spring is March 1, with 12 hours, 2 minutes of daylight and the longest day is May 31, with 12 hours, 22 minutes of daylight.

The latest sunrise of the spring in Ntui is 6:24 AM on March 1 and the earliest sunrise is 25 minutes earlier at 5:59 AM on May 22.

The latest sunset is 6:26 PM on March 1 and the earliest sunset is 8 minutes earlier at 6:18 PM on May 1.

Daylight saving time is not observed in Ntui during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 6:03 AM and sets 12 hours, 23 minutes later, at 6:26 PM, while on December 21, the shortest day of the year, it rises at 6:15 AM and sets 11 hours, 52 minutes later, at 6:07 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 the spring 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.

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 in Ntui is rapidly increasing during the spring, rising from 88% to 100% over the course of the season.

For reference, on May 31, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 7, the least muggy day of the year, there are muggy conditions 62% of the time.

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 in Ntui is gradually decreasing during the spring, decreasing from 3.9 miles per hour to 3.3 miles per hour over the course of the season.

For reference, on August 1, the windiest day of the year, the daily average wind speed is 4.7 miles per hour, while on November 7, the calmest day of the year, the daily average wind speed is 2.8 miles per hour.

The lowest daily average wind speed during the spring is 3.2 miles per hour on May 17.

The hourly average wind direction in Ntui throughout the spring is predominantly from the west, with a peak proportion of 75% on March 9.

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).

Temperatures in Ntui are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

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 Ntui are very rapidly increasing during the spring, increasing by 2,493°F, from 1,604°F to 4,097°F, over the course of the season.

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 in Ntui is gradually decreasing during the spring, falling by 0.6 kWh, from 5.1 kWh to 4.4 kWh, over the course of the season.

For the purposes of this report, the geographical coordinates of Ntui are 4.450 deg latitude, 11.633 deg longitude, and 1,726 ft elevation.

The topography within 2 miles of Ntui contains only modest variations in elevation, with a maximum elevation change of 443 feet and an average elevation above sea level of 1,727 feet. Within 10 miles contains only modest variations in elevation (1,161 feet). Within 50 miles contains very significant variations in elevation (3,773 feet).

The area within 2 miles of Ntui is covered by cropland (48%), shrubs (27%), trees (15%), and grassland (11%), within 10 miles by cropland (41%) and trees (37%), and within 50 miles by trees (53%) and cropland (29%).