What is average rainfall?
Mean rainfall (mm) The arithmetically averaged total amount of precipitation recorded during a calendar month or year.
How much is a good amount of rainfall?
Rainfall rate is generally described as light, moderate or heavy. Light rainfall is considered less than 0.10 inches of rain per hour. Moderate rainfall measures 0.10 to 0.30 inches of rain per hour. Heavy rainfall is more than 0.30 inches of rain per hour.
Is 50 inches of rain a year a lot?
Las Vegas receives almost half as much rainfall as Phoenix, meaning it would take close to 12 years to reach the 50-inch mark. One other notable is Death Valley, California, which receives only about 2.36 inches of rainfall each year. Therefore, it would take over 21 years to pick up 50 inches of rainfall.
What is a good amount of rainfall mm?
Slight rain: Less than 0.5 mm per hour. 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. Very heavy rain: Greater than 8 mm per hour.
Is 1 inch of rain in a day a lot?
One (1.00) inch of rain – A light moderate rain never reaches this amount, heavy rain for several hours (2-5 hours). There would be deep standing water for long periods of time.
What is a heavy rain rate?
Heavy rain — when the precipitation rate is > 7.6 mm (0.30 in) per hour, or between 10 mm (0.39 in) and 50 mm (2.0 in) per hour. Violent rain — when the precipitation rate is > 50 mm (2.0 in) per hour.
What's the rainiest city in America?
The wettest city in the U.S. is Hilo, Hawaii, where it rains 211 days a year. Interestingly, Hilo gets between 10 and 40 times as much rain as some other parts of the Big Island.
What is the rainiest state in USA?
HawaiiHawaii overall is the rainiest state in the US, with a state-wide average of 63.7 inches (1618 millimetres) of rain a year. But few places in Hawaii fit the state's average. Many weather stations on the islands record less than 20 inches (508 mm) of rainfall a year while others receive well over 100 inches (2540 mm).
What is the driest state?
NevadaNevada is the Nation's driest state, with statewide annual average (1895–2020) precipitation only 10.2 inches. Regionally, annual average (1991–2020 normals) precipitation varies from 4 inches in some low elevation locations in the southwest to more than 50 inches on high mountain peaks of the Sierra Nevada.
Is 15mm of rain a lot?
15 mm of precipitation means 15 kilograms of water per square meter of the Earth's surface, and that's quite a large amount — one and a half buckets of water. Given the fact that the Earth's surface is uneven, precipitation flow into low-lying areas, forming turbulent streams and deep puddles.
What does 100 mm rainfall mean?
So 1 mm of rain translates to 1 litre of water in a single metre square. So 802 mm of rain would mean that a single metre square would receive 802 litres of rain, 140 mm would mean 140 litres of water received in a single metre square, and so on.
How much is 10 mm of rain in a day?
So, if you have 10 mm of rain, there would be 10 litres of water on a square meter.
Is 10 mm of rain in a day a lot?
A Heavy Precipitation Day (HPD) is a day on which at least a total of 10 mm (or 20 mm) of rain or frozen precipitation falls.
Is 20mm of rain a lot?
On the other hand when the rainfall range shows reasonably large totals but a relatively small range like 15 to 20 mm, there's usually widespread rain falling from a broad-scale cloud system, not just showers or thunderstorms popping up here or there.
Is 0.02 inches of rain a lot?
Drizzle is classified as light, falling at a rate from a trace to 0.01 inch per hour; moderate, 0.01 to 0.02 inch per hour; heavy, greater than 0.02 inch per hour.
What does 2 inches of rain look like?
0:042:26How much is "an inch" of rainfall? - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis is two inches of water. This is also two inches of water two inches is two inches right wellMoreThis is two inches of water. This is also two inches of water two inches is two inches right well that's where you're wrong clearly. There is more water in this bowl.