Moderate rain: Greater than 0.5 mm per hour, but less than 4.0 mm per hour. Heavy rain : Greater than 4 mm per hour, but less than 8 mm per hour. Moderate shower: Greater than 2 mm , but less than 10 mm per hour.

"One millimeter of rain" is actually one cubic millimeter per square millimeter. On average, over the area you're talking about, each square millimeter has received one cubic millimeter of rain. If you divide n mm 3 by 1 mm 2, you get -- n mm! The field of Dimensional Analysis deals with questions like this.

Jun 24, 2024 · Is 2mm a lot of rain? No, 2mm of rain is generally considered light rain or a drizzle. It may require a waterproof jacket or an umbrella, but it is not considered heavy rainfall.

Apr 14, 2024 · A millimeter (mm) of rain is a unit of measurement used to quantify the amount of precipitation that has fallen over a specific area. It represents the vertical depth of rainwater that would accumulate if it were not absorbed or evaporated.

Light rain gives up to 2–4 mm (0.07–0.15 in) of precipitation; Moderate rain gives 5–6 mm (0.19–0.23 in); Rain or strong rain gives up about 15–20 mm (0.59–0.78 in); Rainfall gives more than 30 mm (1.18 in).

Jun 27, 2024 · Light rain is often considered to give up to 2–4 mm (0.07–0.15 in) of precipitation per day. Moderate rain, on the other hand, may give around 5–6 mm (0.19–0.23 in), while rain or strong rain can result in approximately 15–20 mm (0.59–0.78 in) …

Apr 7, 2024 · Is 2mm a lot of rain in 24 hours? 2 mm of rain in 24 hours is considered light rainfall and not typically regarded as a lot. Is 10 mm of rain in a day a lot? Yes, 10 mm of rain in a day is considered a moderate amount of rainfall.

Aug 17, 2018 · This forecast is saying there is possible rainfall between 2mm and 5mm. The first figure means there's a 50 per cent chance of receiving at least 2mm of rain. The second figure means there is a 25 per cent chance of receiving at least 5mm of rain. An image with annotations explaining how to read a rain forecast. (BOM/ABC News)

Jan 12, 2025 · The standard rain gauge consists of a copper cylinder with a funnel of 8 inches or 5 inches diameter. The shank of the funnel leads into a glass bottle or another copper cylinder placed inside the larger cylinder (see the diagram below).

In the form below, choose an area(s) and a rainfall amount to see how many gallons of water fell from the sky onto that area. I think you'll be surprised about much rain really does fall during a rainstorm.