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MERCED RIVER - EXCHEQUER RESERVOIR (EXQC1)

Latitude: 37.58º N	Longitude: 120.27º W	Elevation: 442 Feet
Location: Mariposa County in California		Bulletin Group: San Joaquin		River Group: San Joaquin

Issuance Time:

Jul 08, 2025 at 10:07 AM PDT

Please Note:

Flow data on this product are unregulated / full natural flow.

Historical Flows

Water Year Seasonal (Apr-Jul)

Year		Annual Flow	3-Year Mean
1961	-283996800000	311.9
1962	-252460800000	922.2
1963	-220924800000	978.7	737.6
1964	-189388800000	444.4	781.8
1965	-157766400000	1334.8	919.3
1966	-126230400000	671.1	816.8
1967	-94694400000	1687.0	1231.0
1968	-63158400000	416.8	925.0
1969	-31536000000	2207.8	1437.2
1970	0000	857.8	1160.8
1971	31536000000	708.0	1257.9
1972	63072000000	552.0	705.9
1973	94694400000	1109.6	789.9
1974	126230400000	1171.2	944.3
1975	157766400000	1102.8	1127.9
1976	189302400000	279.2	851.1
1977	220924800000	131.1	504.4
1978	252460800000	1728.5	713.0
1979	283996800000	1052.0	970.6
1980	315532800000	1615.1	1465.2
1981	347155200000	475.1	1047.4
1982	378691200000	1971.3	1353.9
1983	410227200000	2835.6	1760.7
1984	441763200000	1177.3	1994.7
1985	473385600000	549.8	1520.9
1986	504921600000	1551.4	1092.8
1987	536457600000	297.4	799.5
1988	567993600000	377.8	742.2
1989	599616000000	523.9	399.7
1990	631152000000	370.9	424.2
1991	662688000000	517.6	470.8
1992	694224000000	431.6	440.0
1993	725846400000	1422.0	790.4
1994	757382400000	324.9	726.1
1995	788918400000	2137.9	1294.9
1996	820454400000	1144.6	1202.5
1997	852076800000	1723.1	1668.5
1998	883612800000	1806.1	1557.9
1999	915148800000	879.2	1469.4
2000	946684800000	939.0	1208.1
2001	978307200000	508.8	775.6
2002	1009843200000	621.1	689.6
2003	1041379200000	770.3	633.4
2004	1072915200000	552.0	647.8
2005	1104537600000	1650.7	991.0
2006	1136073600000	1700.4	1301.0
2007	1167609600000	335.5	1228.8
2008	1199145600000	573.4	869.8
2009	1230768000000	786.9	565.3
2010	1262304000000	1031.6	797.3
2011	1293840000000	1902.4	1240.3
2012	1325376000000	410.4	1114.8
2013	1356998400000	464.3	925.7
2014	1388534400000	215.7	363.5
2015	1420070400000	161.2	280.4
2016	1451606400000	838.3	405.1
2017	1483228800000	2480.3	1160.0
2018	1514764800000	716.4	1345.0
2019	1546300800000	1553.8	1583.5
2020	1577836800000	463.7	911.3
2021	1609459200000	272.2	763.2
2022	1640995200000	473.8	403.2
2023	1672531200000	2501.1	1082.4
2024	1704067200000	874.6	1283.2
2025	1735689600000	706.5	1360.7

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ317)

Tonight: Clear. Lows in the lower 60s. Northwest winds up to 10 mph.

Wednesday: Sunny. Highs in the mid 90s. West winds up to 10 mph.

Wednesday Night: Clear. Lows in the mid 60s. Northwest winds up to 10 mph.

Thursday: Sunny. Highs in the upper 90s. Northeast winds up to 5 mph shifting to the west in the afternoon.

Thursday Night: Clear. Lows in the lower 70s. Northwest winds up to 10 mph shifting to the north after midnight.

Friday through Tuesday: Clear. Highs around 100. Lows in the lower 70s.

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