CNRFC Ensemble Plot for CWCC1

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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COW CREEK - MILLVILLE (CWCC1)

Latitude:
40.51º N

Longitude:
122.23º W

Elevation:
386 Feet

Location: Shasta County in CA

River Group: Upper Sacramento

Issuance Time:

Feb 12 2026 at 8:59 AM PST

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
1950	-631152000000	346.8
1951	-599616000000	515.0
1952	-568080000000	748.4	536.7
1953	-536457600000	545.3	602.9
1954	-504921600000	424.5	572.8
1955	-473385600000	262.2	410.7
1956	-441849600000	749.1	478.6
1957	-410227200000	290.0	433.8
1958	-378691200000	831.4	623.5
1959	-347155200000	270.9	464.1
1960	-315619200000	257.2	453.1
1961	-283996800000	402.2	310.1
1962	-252460800000	369.2	342.9
1963	-220924800000	586.9	452.8
1964	-189388800000	174.2	376.7
1965	-157766400000	585.4	448.8
1966	-126230400000	356.9	372.1
1967	-94694400000	673.9	538.7
1968	-63158400000	382.2	471.0
1969	-31536000000	816.3	624.1
1970	0000	708.5	635.6
1971	31536000000	632.6	719.1
1972	63072000000	291.2	544.1
1973	94694400000	626.6	516.8
1974	126230400000	1002.9	640.2
1975	157766400000	473.5	701.0
1976	189302400000	197.2	557.9
1977	220924800000	48.4	239.7
1978	252460800000	729.6	325.1
1979	283996800000	340.5	372.8
1980	315532800000	621.3	563.8
1981	347155200000	312.4	424.7
1982	378691200000	918.4	617.4
1983	410227200000	1089.7	773.5
1984	441763200000	537.4	848.5
1985	473385600000	246.1	624.4
1986	504921600000	649.3	477.6
1987	536457600000	278.6	391.3
1988	567993600000	254.9	394.3
1989	599616000000	439.5	324.3
1990	631152000000	243.8	312.7
1991	662688000000	127.8	270.4
1992	694224000000	180.6	184.0
1993	725846400000	742.1	350.2
1994	757382400000	212.0	378.2
1995	788918400000	916.0	623.4
1996	820454400000	541.2	556.4
1997	852076800000	498.4	651.9
1998	883612800000	1182.6	740.7
1999	915148800000	561.1	747.4
2000	946684800000	497.4	747.0
2001	978307200000	214.6	424.4
2002	1009843200000	435.8	382.6
2003	1041379200000	545.4	398.6
2004	1072915200000	533.8	505.0
2005	1104537600000	454.9	511.4
2006	1136073600000	1036.8	675.2
2007	1167609600000	259.7	583.8
2008	1199145600000	238.6	511.7
2009	1230768000000	222.1	240.1
2010	1262304000000	377.7	279.5
2011	1293840000000	607.1	402.3
2012	1325376000000	235.4	406.7
2013	1356998400000	304.2	382.3
2014	1388534400000	150.3	230.0
2015	1420070400000	261.7	238.8
2016	1451606400000	545.9	319.3
2017	1483228800000	964.9	590.8
2018	1514764800000	265.8	592.2
2019	1546300800000	695.9	642.2
2020	1577836800000	211.5	391.0
2021	1609459200000	121.4	342.9
2022	1640995200000	227.6	186.8
2023	1672531200000	616.0	321.7
2024	1704067200000	509.9	451.2
2025	1735689600000	745.5	623.8
2026	1767225600000	476.9	577.4

Year		Seasonal Flow	3-Year Mean
1950	-631152000000	80.5
1951	-599616000000	62.8
1952	-568080000000	135.9	93.1
1953	-536457600000	150.0	116.2
1954	-504921600000	109.3	131.7
1955	-473385600000	69.9	109.7
1956	-441849600000	124.5	101.3
1957	-410227200000	88.5	94.3
1958	-378691200000	184.0	132.3
1959	-347155200000	41.2	104.6
1960	-315619200000	42.2	89.1
1961	-283996800000	71.5	51.6
1962	-252460800000	53.9	55.9
1963	-220924800000	249.1	124.9
1964	-189388800000	32.7	111.9
1965	-157766400000	176.8	152.9
1966	-126230400000	69.6	93.0
1967	-94694400000	271.2	172.5
1968	-63158400000	44.4	128.4
1969	-31536000000	150.6	155.4
1970	0000	40.4	78.4
1971	31536000000	119.5	103.5
1972	63072000000	64.6	74.8
1973	94694400000	80.0	88.0
1974	126230400000	155.1	99.9
1975	157766400000	126.7	120.6
1976	189302400000	44.5	108.8
1977	220924800000	13.2	61.5
1978	252460800000	171.1	76.3
1979	283996800000	84.2	89.5
1980	315532800000	64.5	106.6
1981	347155200000	48.7	65.8
1982	378691200000	175.9	96.4
1983	410227200000	205.3	143.3
1984	441763200000	72.0	151.1
1985	473385600000	41.0	106.1
1986	504921600000	67.5	60.1
1987	536457600000	30.8	46.4
1988	567993600000	49.6	49.3
1989	599616000000	94.0	58.1
1990	631152000000	67.8	70.4
1991	662688000000	29.0	63.6
1992	694224000000	23.3	40.0
1993	725846400000	216.4	89.6
1994	757382400000	38.0	92.6
1995	788918400000	225.8	160.1
1996	820454400000	146.6	136.8
1997	852076800000	48.4	140.3
1998	883612800000	347.8	181.0
1999	915148800000	103.9	166.7
2000	946684800000	71.0	174.2
2001	978307200000	31.0	68.7
2002	1009843200000	54.4	52.2
2003	1041379200000	152.4	79.3
2004	1072915200000	60.5	89.1
2005	1104537600000	205.9	139.6
2006	1136073600000	302.3	189.6
2007	1167609600000	33.6	180.6
2008	1199145600000	30.8	122.2
2009	1230768000000	39.5	34.6
2010	1262304000000	109.1	59.8
2011	1293840000000	165.2	104.6
2012	1325376000000	82.2	118.8
2013	1356998400000	44.7	97.4
2014	1388534400000	28.3	51.7
2015	1420070400000	9.2	27.4
2016	1451606400000	51.9	29.8
2017	1483228800000	174.8	78.6
2018	1514764800000	101.8	109.5
2019	1546300800000	176.1	150.9
2020	1577836800000	65.8	114.6
2021	1609459200000	15.4	85.7
2022	1640995200000	43.9	41.7
2023	1672531200000	125.0	61.4
2024	1704067200000	107.9	92.3
2025	1735689600000	85.7	106.2
2026	1767225600000	67.9	87.2

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

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