because the sun isn't there
The lowest temperature of the day is usually felt at sunrise.
The lowest temperature of the day is usually felt at sunrise.
sunrise
The lowest temperature of the day is usually felt at sunrise.
The lowest temperature is typically recorded during the early morning hours, closer to sunrise, when temperatures have had the chance to drop overnight. Sunset marks the end of the day and temperatures tend to be warmer at that time.
The low temperature is based on the night's lowest point in temperature E.G. If the minimum on Wednesday is -4 Celsius, it is the lowest temperature point during Wednesday night (starting at sunset) until early Thursday morning (until about sunrise). The lowest point may not be mid-way as it can vary anyway as predicted weather and climate isn't always what is definitely going to be
That will depend on what else the weatherman says; normally, it'll be clear in context. But generally, they are talking about sunrise to sunrise. If the weatherman on TV at 10PM says "The high today WAS 25, and the low tonight WILL BE 10", then he's reporting the actual high temperature, and his forecast for the low in the next 12 hours. Please note that the lowest temperatures sometimes come shortly after sunrise; overnight fog can insulate the ground from the worst of the cold, but the first rays of dawn can burn off the fog and allow the temperature to go down a bit more.
At sunrise, the ground begins to receive sunlight and absorb heat, leading to an increase in surface temperature. However, the air near the ground is still relatively cool from the night, causing a temperature difference between the ground and the air. As a result, heat is transferred from the air to the ground, causing the temperature to drop.
A maximum-minimum thermometer is commonly used to measure the highest and lowest temperatures of a day. It consists of two separate thermometers where one records the highest temperature reached and the other records the lowest temperature.
Pluto is not the lowest temperature. The lowest temperature possible is −273.15°C. Pluto's coldest temperature is about −233°C.
The difference between the highest and lowest temperature for any given day is called the daily temperature range. This range helps us understand the variation in temperatures experienced throughout a single day, which can be important for various applications such as agriculture, weather monitoring, and energy management.
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