Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The highest and lowest levels per year recorded in well P-099 from 2015 to 2020
| Year | Maximum level | Minimum level |
|---|---|---|
| 2015 | April 26th | November 14th |
| 2016 | May 4th | November 19th |
| 2017 | May 4th | December 16th |
| 2018 | April 28th | December 12th |
| 2019 | April 18th | October 7th |
| 2020 | April 3rd | November 17th |
