Traditional Culture Encyclopedia - Weather inquiry - What are the grades of rain?
What are the grades of rain?
/kloc-it is light rain when the rainfall is 0. 1 ~ 4.9mm within 2 hours or 0. 1 ~ 9.9mm within 24 hours;
12 hours rainfall of 5.0 ~ 14.9mm or 24 hours rainfall of/kloc-0 ~ 0 ~ 24.9 mm is moderate rain.
/kloc-rainstorm occurs when the rainfall is 15.0. 1 ~ 29.9 mm in 0/2 hours or 25.0 ~ 49.9 mm in 24 hours;
/kloc-rainstorm occurs when the rainfall is 30.0 ~ 69.9 mm within 0/2 hour or 50.0 ~ 99.9 mm within 24 hours;
/kloc-rainstorm occurs when the rainfall is 70.0 ~139.9mm within 0/2 hour or100.0 ~ 249.9mm within 24 hours;
When the rainfall within 12 hours is ≥140.0mm or the rainfall within 24 hours is ≥ 250.0mm, it is a rainstorm. ..
(The standard source is the national standard GB/T 28592-20 12).
Query precipitation data operation is as follows
Step 1: Select the geographical location on the river homepage. You can choose single point data or regional average data.
Step 2: Confirm the data source. What digital sources, European medium-range weather centers and selections can be used for historical data? The forecast data can be selected from the German Meteorological Bureau.
Step 3: Enter the start and end time of the download you want to query. You can choose 40 years of history and 7 days in the future.
Step 4: Select the meteorological data to be downloaded, such as precipitation. Export hourly data and data line charts
Step 5: If you need to query more data, you can search for attributes in more attributes.
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