CNRFC Ensemble Plot for CWAC1

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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COTTONWOOD CREEK - COTTONWOOD (CWAC1)

Latitude:
40.39º N

Longitude:
122.24º W

Elevation:
364 Feet

Location: Tehama 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
1941	-915148800000	1657.8
1942	-883612800000	838.2
1943	-852076800000	495.8	997.3
1944	-820540800000	172.4	502.2
1945	-788918400000	325.2	331.1
1946	-757382400000	536.2	344.6
1947	-725846400000	229.3	363.6
1948	-694310400000	324.6	363.4
1949	-662688000000	393.3	315.7
1950	-631152000000	253.5	323.8
1951	-599616000000	610.2	419.0
1952	-568080000000	888.1	583.9
1953	-536457600000	738.3	745.5
1954	-504921600000	737.5	788.0
1955	-473385600000	298.4	591.4
1956	-441849600000	1136.6	724.2
1957	-410227200000	364.4	599.8
1958	-378691200000	1513.8	1005.0
1959	-347155200000	340.5	739.6
1960	-315619200000	368.1	740.8
1961	-283996800000	397.4	368.7
1962	-252460800000	373.3	379.6
1963	-220924800000	613.0	461.2
1964	-189388800000	188.3	391.5
1965	-157766400000	869.7	557.0
1966	-126230400000	433.8	497.3
1967	-94694400000	729.0	677.5
1968	-63158400000	461.7	541.5
1969	-31536000000	1084.5	758.4
1970	0000	893.1	813.1
1971	31536000000	748.7	908.8
1972	63072000000	237.7	626.5
1973	94694400000	864.2	616.9
1974	126230400000	1264.2	788.7
1975	157766400000	786.7	971.7
1976	189302400000	158.5	736.5
1977	220924800000	68.4	337.9
1978	252460800000	1091.3	439.4
1979	283996800000	347.4	502.4
1980	315532800000	749.7	729.5
1981	347155200000	491.5	529.5
1982	378691200000	1034.9	758.7
1983	410227200000	1965.0	1163.8
1984	441763200000	710.0	1236.6
1985	473385600000	344.7	1006.6
1986	504921600000	829.3	628.0
1987	536457600000	215.8	463.3
1988	567993600000	319.5	454.9
1989	599616000000	348.6	294.6
1990	631152000000	176.8	281.6
1991	662688000000	214.1	246.5
1992	694224000000	340.2	243.7
1993	725846400000	797.4	450.6
1994	757382400000	157.3	431.6
1995	788918400000	1513.8	822.8
1996	820454400000	771.0	814.0
1997	852076800000	672.1	985.6
1998	883612800000	1757.4	1066.8
1999	915148800000	707.8	1045.8
2000	946684800000	747.5	1070.9
2001	978307200000	361.0	605.4
2002	1009843200000	596.0	568.2
2003	1041379200000	822.4	593.1
2004	1072915200000	819.2	745.9
2005	1104537600000	762.8	801.5
2006	1136073600000	1272.7	951.6
2007	1167609600000	185.9	740.5
2008	1199145600000	400.3	619.6
2009	1230768000000	295.0	293.7
2010	1262304000000	692.7	462.7
2011	1293840000000	725.9	571.2
2012	1325376000000	256.0	558.2
2013	1356998400000	318.9	433.6
2014	1388534400000	121.6	232.2
2015	1420070400000	400.2	280.2
2016	1451606400000	640.4	387.4
2017	1483228800000	1097.3	712.6
2018	1514764800000	144.6	627.4
2019	1546300800000	962.4	734.8
2020	1577836800000	125.4	410.8
2021	1609459200000	76.8	388.2
2022	1640995200000	149.6	117.3
2023	1672531200000	897.1	374.5
2024	1704067200000	788.5	611.7
2025	1735689600000	819.0	834.9
2026	1767225600000	701.1	769.5

Year		Seasonal Flow	3-Year Mean
1941	-915148800000	394.6
1942	-883612800000	182.9
1943	-852076800000	79.5	219.0
1944	-820540800000	51.2	104.5
1945	-788918400000	75.2	68.6
1946	-757382400000	76.9	67.8
1947	-725846400000	51.2	67.8
1948	-694310400000	201.1	109.7
1949	-662688000000	103.0	118.4
1950	-631152000000	67.2	123.8
1951	-599616000000	70.2	80.1
1952	-568080000000	189.0	108.8
1953	-536457600000	141.7	133.6
1954	-504921600000	202.2	177.6
1955	-473385600000	92.0	145.3
1956	-441849600000	191.0	161.8
1957	-410227200000	137.0	140.0
1958	-378691200000	331.2	219.7
1959	-347155200000	60.4	176.2
1960	-315619200000	75.5	155.7
1961	-283996800000	77.4	71.1
1962	-252460800000	81.9	78.3
1963	-220924800000	273.6	144.3
1964	-189388800000	36.7	130.7
1965	-157766400000	228.9	179.7
1966	-126230400000	93.5	119.7
1967	-94694400000	242.3	188.2
1968	-63158400000	63.3	133.0
1969	-31536000000	242.6	182.7
1970	0000	71.3	125.7
1971	31536000000	135.8	149.9
1972	63072000000	57.9	88.3
1973	94694400000	124.1	105.9
1974	126230400000	238.2	140.1
1975	157766400000	212.6	191.6
1976	189302400000	46.6	165.8
1977	220924800000	25.7	95.0
1978	252460800000	178.9	83.7
1979	283996800000	104.9	103.2
1980	315532800000	103.7	129.2
1981	347155200000	84.4	97.7
1982	378691200000	250.0	146.0
1983	410227200000	407.2	247.2
1984	441763200000	69.9	242.4
1985	473385600000	64.7	180.6
1986	504921600000	87.1	73.9
1987	536457600000	49.5	67.1
1988	567993600000	63.2	66.6
1989	599616000000	79.2	63.9
1990	631152000000	61.5	67.9
1991	662688000000	80.7	73.8
1992	694224000000	80.1	74.1
1993	725846400000	187.8	116.2
1994	757382400000	40.3	102.7
1995	788918400000	288.5	172.2
1996	820454400000	131.0	153.3
1997	852076800000	61.8	160.5
1998	883612800000	431.5	208.1
1999	915148800000	210.7	234.7
2000	946684800000	161.1	267.8
2001	978307200000	61.1	144.3
2002	1009843200000	66.0	96.1
2003	1041379200000	225.3	117.5
2004	1072915200000	87.2	126.2
2005	1104537600000	297.7	203.4
2006	1136073600000	449.9	278.3
2007	1167609600000	39.8	262.5
2008	1199145600000	62.4	184.0
2009	1230768000000	90.2	64.1
2010	1262304000000	225.7	126.1
2011	1293840000000	221.3	179.0
2012	1325376000000	123.7	190.2
2013	1356998400000	44.2	129.7
2014	1388534400000	39.4	69.1
2015	1420070400000	24.2	35.9
2016	1451606400000	78.7	47.4
2017	1483228800000	167.3	90.0
2018	1514764800000	72.4	106.1
2019	1546300800000	233.2	157.6
2020	1577836800000	33.6	113.1
2021	1609459200000	17.9	94.9
2022	1640995200000	27.1	26.2
2023	1672531200000	249.8	98.3
2024	1704067200000	159.1	145.3
2025	1735689600000	143.7	184.2
2026	1767225600000	113.2	138.7

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map