CNRFC Ensemble Plot for YREC1

Short-Rng Pks	10D Prob	10 Accum
4x5D Prob	Mnth Prob	Seas Trnd
WY Trend	WY Accum	Multi-Yr Accum
Historical	Verification	Custom

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SHASTA RIVER - YREKA (YREC1)

Latitude:
41.82º N

Longitude:
122.59º W

Elevation:
2000 Feet

Location: Siskiyou County in CA

River Group: North Coast

Issuance Time:

Aug 22 2026 at 7:46 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
1934	-1136073600000	56.4
1935	-1104537600000	65.9
1936	-1073001600000	79.2	67.2
1937	-1041379200000	70.7	72.0
1938	-1009843200000	208.5	119.5
1939	-978307200000	76.7	118.7
1940	-946771200000	145.9	143.7
1941	-915148800000	210.5	144.4
1942	-883612800000
1943	-852076800000
1944	-820540800000
1945	-788918400000
1946	-757382400000	114.2
1947	-725846400000	80.5
1948	-694310400000	108.1	100.9
1949	-662688000000	99.2	95.9
1950	-631152000000	89.3	98.9
1951	-599616000000	146.7	111.7
1952	-568080000000	164.3	133.5
1953	-536457600000	181.4	164.2
1954	-504921600000	153.1	166.3
1955	-473385600000	74.2	136.2
1956	-441849600000	225.8	151.0
1957	-410227200000	132.3	144.1
1958	-378691200000	254.9	204.4
1959	-347155200000	105.7	164.3
1960	-315619200000	90.8	150.5
1961	-283996800000	105.1	100.6
1962	-252460800000	110.5	102.2
1963	-220924800000	173.5	129.7
1964	-189388800000	119.7	134.6
1965	-157766400000	228.1	173.8
1966	-126230400000	108.8	152.2
1967	-94694400000	130.6	155.8
1968	-63158400000	100.6	113.3
1969	-31536000000	138.6	123.3
1970	0000	189.8	143.0
1971	31536000000	192.8	173.7
1972	63072000000	142.2	174.9
1973	94694400000	86.7	140.6
1974	126230400000	263.6	164.2
1975	157766400000	180.0	176.8
1976	189302400000	108.6	184.1
1977	220924800000	70.4	119.7
1978	252460800000	154.8	111.2
1979	283996800000
1980	315532800000	141.3
1981	347155200000	85.1
1982	378691200000	211.0	145.8
1983	410227200000	245.7	180.6
1984	441763200000	182.1	212.9
1985	473385600000	119.9	182.6
1986	504921600000	138.2	146.7
1987	536457600000	89.6	115.9
1988	567993600000	83.8	103.9
1989	599616000000	105.0	92.8
1990	631152000000	87.7	92.2
1991	662688000000	72.7	88.5
1992	694224000000	60.6	73.7
1993	725846400000	102.9	78.8
1994	757382400000	71.7	78.4
1995	788918400000	143.7	106.1
1996	820454400000	171.2	128.9
1997	852076800000	198.1	171.0
1998	883612800000	247.7	205.6
1999	915148800000	195.9	213.9
2000	946684800000	131.2	191.6
2001	978307200000	77.9	135.0
2002	1009843200000	90.2	99.8
2003	1041379200000	141.7	103.3
2004	1072915200000	110.3	114.1
2005	1104537600000	111.1	121.0
2006	1136073600000	259.5	160.3
2007	1167609600000	116.8	162.5
2008	1199145600000	98.5	158.3
2009	1230768000000	73.0	96.1
2010	1262304000000	79.0	83.5
2011	1293840000000	153.8	101.9
2012	1325376000000	98.0	110.3
2013	1356998400000	78.2	110.0
2014	1388534400000	63.6	79.9
2015	1420070400000	95.6	79.1
2016	1451606400000	114.1	91.1
2017	1483228800000	198.8	136.2
2018	1514764800000	89.9	134.3
2019	1546300800000	105.7	131.5
2020	1577836800000	71.2	88.9
2021	1609459200000	59.8	78.9
2022	1640995200000	72.4	67.8
2023	1672531200000	80.8	71.0
2024	1704067200000	93.2	82.1
2025	1735689600000	171.2	115.0
2026	1767225600000	113.6	126.0

Year		Seasonal Flow	3-Year Mean
1934	-1136073600000	7.8
1935	-1104537600000	10.5
1936	-1073001600000	12.0	10.1
1937	-1041379200000	19.1	13.9
1938	-1009843200000	69.2	33.4
1939	-978307200000	8.7	32.3
1940	-946771200000	41.0	39.7
1941	-915148800000	84.1	44.6
1942	-883612800000
1943	-852076800000
1944	-820540800000
1945	-788918400000	24.7
1946	-757382400000	21.8
1947	-725846400000	12.5	19.7
1948	-694310400000	32.2	22.2
1949	-662688000000	16.8	20.5
1950	-631152000000	15.3	21.4
1951	-599616000000	17.3	16.5
1952	-568080000000	36.8	23.1
1953	-536457600000	46.5	33.5
1954	-504921600000	26.8	36.7
1955	-473385600000	9.2	27.5
1956	-441849600000	41.3	25.7
1957	-410227200000	23.9	24.8
1958	-378691200000	71.2	45.5
1959	-347155200000	18.5	37.9
1960	-315619200000	15.8	35.2
1961	-283996800000	20.7	18.3
1962	-252460800000	18.7	18.4
1963	-220924800000	44.8	28.0
1964	-189388800000	22.8	28.7
1965	-157766400000	38.7	35.4
1966	-126230400000	15.5	25.7
1967	-94694400000	39.4	31.2
1968	-63158400000	11.5	22.1
1969	-31536000000	32.9	27.9
1970	0000	24.6	23.0
1971	31536000000	56.9	38.1
1972	63072000000	17.4	33.0
1973	94694400000	11.4	28.6
1974	126230400000	70.3	33.0
1975	157766400000	56.6	46.1
1976	189302400000	17.3	48.1
1977	220924800000	13.4	29.1
1978	252460800000	39.8	23.5
1979	283996800000
1980	315532800000	26.9
1981	347155200000	15.0
1982	378691200000	46.7	29.5
1983	410227200000	67.7	43.2
1984	441763200000	34.9	49.8
1985	473385600000	17.0	39.9
1986	504921600000	25.9	25.9
1987	536457600000	11.3	18.1
1988	567993600000	16.0	17.7
1989	599616000000	26.4	17.9
1990	631152000000	16.9	19.7
1991	662688000000	15.6	19.6
1992	694224000000	6.6	13.0
1993	725846400000	28.3	16.9
1994	757382400000	10.7	15.2
1995	788918400000	54.4	31.1
1996	820454400000	34.5	33.2
1997	852076800000	24.1	37.7
1998	883612800000	108.8	55.8
1999	915148800000	44.6	59.2
2000	946684800000	30.8	61.4
2001	978307200000	11.7	29.1
2002	1009843200000	16.5	19.7
2003	1041379200000	35.7	21.3
2004	1072915200000	20.5	24.2
2005	1104537600000	28.3	28.1
2006	1136073600000	57.0	35.3
2007	1167609600000	22.3	35.9
2008	1199145600000	19.0	32.8
2009	1230768000000	13.6	18.3
2010	1262304000000	21.1	17.9
2011	1293840000000	53.2	29.3
2012	1325376000000	23.3	32.5
2013	1356998400000	12.0	29.5
2014	1388534400000	7.9	14.4
2015	1420070400000	14.6	11.5
2016	1451606400000	25.5	16.0
2017	1483228800000	49.4	29.8
2018	1514764800000	19.9	31.6
2019	1546300800000	29.0	32.8
2020	1577836800000	9.3	19.4
2021	1609459200000	6.9	15.1
2022	1640995200000	13.2	9.8
2023	1672531200000	19.9	13.3
2024	1704067200000	22.9	18.7
2025	1735689600000	42.9	28.6
2026	1767225600000	22.6	29.5

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map