Exceptional Precipitation for the recent Yellowstone park-wide closure
Twice the precipitation leads to this devastating situation in the last 34 years.

Some people might notice that Yellow Stone National Park is closed due to an extreme flood. The last time Yellow Stone’s park-wide closure was in 1988, 34 years ago, due to devastating wildfires.
In this article, we will use the historical precipitation data in June to show how extreme the rain in 2022–06–12 is.
Historical most precipitation
For the last 22 years, the one with the most rain is in 2010’s June, with 4.12 inches. The image below shows the precipitation data across the previous 22 years and highlights the most rained year in 2010.

Once we look into the daily weather data for 2010 June, we could notice the heaviest rain happened on 2010–06–04 with 1.00-inch precipitation.

How much rain for this June?
This year, on 2022–06–14, we observed a rain of 2.18 inches, which is more than twice the most rained day in 2010. It could demonstrate how severe the weather condition is and why it has led to a park-wide closure.

Summary
The rain in 2022–06–14 is about twice the precipitation of the most rained day in the most rained month between 2000–2022. This rain has triggered the park-wide closure in the last 34 years for Yellow Stone.
