| MERCED RIVER - YOSEMITE NP AT HAPPY ISLES (HPIC1) | ||
| Latitude: 37.73º N | Longitude: 119.56º W | Elevation: 4017 Feet |
| Location: Mariposa County in CA | ||
| River Group: San Joaquin | ||
| Forecast Issued: | Apr 25 2024 at 8:44 AM PDT | Next Issuance: | Apr 26 2024 at 9:00 AM PDT |
| Monitor Stage: N/A | Flood Stage: 7.5 Feet |
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Historical Stage/Flow Data |
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|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
2022 |
2,430 |
6.25 |
Oct 25, 2021 |
2021 |
1,410 |
5.02 |
May 7, 2021 |
2020 |
2,160 |
5.96 |
Apr 30, 2020 |
2019 |
4,240 |
7.79 |
Jun 13, 2019 |
2018 |
8,060 |
10.09 |
Apr 7, 2018 |
| Historical High Stage/Flow Events (Period of Record - Aug 1915 to Present) - Ranked by Flow | |||
1997 |
10,100 |
13.27 |
Jan 2, 1997 |
1956 |
9,840 |
12.73 |
Dec 23, 1955 |
1951 |
9,260 |
11.55 |
Nov 18, 1950 |
| Location Photographs | ||
| ESRI™ Locator Map |
| Impacts - E19 Information | |
| 7.0 Feet | Campgrounds at North Pines and Lower Pines begin to flood. |
| 7.5 Feet | Housekeeping Camp and Yosemite Valley Backpacker Campground begin to flood. |
| 10.0 Feet | Northside Drive at Wosky Pond, Southside Drive at Chapel Meadow, El Capitan Crossover, and Sentinel Crossover are impassible to vehicles. |
| 13.27 Feet | Flood of record - January 2, 1997. $178M in damage to Yosemite Valley. |