CNRFC Ensemble Plot for MHBC1

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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COSUMNES RIVER - MICHIGAN BAR (MHBC1)

Latitude:
38.50º N

Longitude:
121.04º W

Elevation:
168 Feet

Location: Sacramento County in CA

River Group: San Joaquin

Issuance Time:

Jan 09 2026 at 9:09 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
1949	-662688000000	237.4
1950	-631152000000	331.4
1951	-599616000000	762.4	443.7
1952	-568080000000	781.9	625.2
1953	-536457600000	264.4	602.9
1954	-504921600000	229.1	425.1
1955	-473385600000	178.5	224.0
1956	-441849600000	667.4	358.3
1957	-410227200000	238.2	361.4
1958	-378691200000	655.1	520.2
1959	-347155200000	116.7	336.7
1960	-315619200000	150.2	307.4
1961	-283996800000	54.9	107.3
1962	-252460800000	210.9	138.7
1963	-220924800000	453.9	239.9
1964	-189388800000	143.2	269.3
1965	-157766400000	655.9	417.7
1966	-126230400000	167.9	322.4
1967	-94694400000	601.2	475.0
1968	-63158400000	169.7	313.0
1969	-31536000000	679.9	483.6
1970	0000	448.6	432.7
1971	31536000000	332.0	486.8
1972	63072000000	182.6	321.1
1973	94694400000	441.9	318.8
1974	126230400000	544.8	389.8
1975	157766400000	364.4	450.4
1976	189302400000	54.9	321.4
1977	220924800000	15.8	145.0
1978	252460800000	453.0	174.6
1979	283996800000	309.6	259.5
1980	315532800000	565.4	442.7
1981	347155200000	117.9	331.0
1982	378691200000	955.2	546.2
1983	410227200000	1221.2	764.8
1984	441763200000	597.8	924.7
1985	473385600000	163.0	660.7
1986	504921600000	704.6	488.5
1987	536457600000	72.9	313.5
1988	567993600000	52.6	276.7
1989	599616000000	163.6	96.4
1990	631152000000	90.2	102.1
1991	662688000000	107.5	120.5
1992	694224000000	104.7	100.8
1993	725846400000	482.0	231.4
1994	757382400000	61.7	216.1
1995	788918400000	861.9	468.5
1996	820454400000	442.4	455.3
1997	852076800000	771.1	691.8
1998	883612800000	779.6	664.4
1999	915148800000	464.9	671.9
2000	946684800000	372.6	539.0
2001	978307200000	116.4	318.0
2002	1009843200000	200.8	229.9
2003	1041379200000	214.8	177.3
2004	1072915200000	159.3	191.6
2005	1104537600000	488.9	287.7
2006	1136073600000	867.8	505.3
2007	1167609600000	135.5	497.4
2008	1199145600000	112.6	372.0
2009	1230768000000	194.4	147.5
2010	1262304000000	263.4	190.2
2011	1293840000000	764.7	407.5
2012	1325376000000	173.7	400.6
2013	1356998400000	145.9	361.4
2014	1388534400000	67.0	128.9
2015	1420070400000	67.6	93.5
2016	1451606400000	307.5	147.4
2017	1483228800000	1197.3	524.1
2018	1514764800000	297.5	600.7
2019	1546300800000	692.9	729.2
2020	1577836800000	168.2	386.2
2021	1609459200000	60.4	307.2
2022	1640995200000	213.3	147.3
2023	1672531200000	1029.7	434.5
2024	1704067200000	399.3	547.5
2025	1735689600000	327.4	585.5
2026	1767225600000	406.5	377.8

Year		Seasonal Flow	3-Year Mean
1949	-662688000000	118.2
1950	-631152000000	157.3
1951	-599616000000	110.3	128.6
1952	-568080000000	313.4	193.6
1953	-536457600000	130.3	184.7
1954	-504921600000	99.6	181.1
1955	-473385600000	71.7	100.5
1956	-441849600000	149.5	106.9
1957	-410227200000	99.8	107.0
1958	-378691200000	357.7	202.3
1959	-347155200000	32.6	163.4
1960	-315619200000	54.5	148.3
1961	-283996800000	26.3	37.8
1962	-252460800000	87.2	56.0
1963	-220924800000	241.7	118.4
1964	-189388800000	64.7	131.2
1965	-157766400000	169.1	158.5
1966	-126230400000	56.3	96.7
1967	-94694400000	327.8	184.4
1968	-63158400000	46.4	143.5
1969	-31536000000	226.3	200.2
1970	0000	62.6	111.8
1971	31536000000	118.8	135.9
1972	63072000000	66.5	82.6
1973	94694400000	114.2	99.8
1974	126230400000	174.1	118.3
1975	157766400000	188.3	158.9
1976	189302400000	16.9	126.4
1977	220924800000	5.7	70.3
1978	252460800000	191.0	71.2
1979	283996800000	136.5	111.1
1980	315532800000	102.8	143.4
1981	347155200000	37.9	92.4
1982	378691200000	343.1	161.3
1983	410227200000	351.0	244.0
1984	441763200000	88.8	261.0
1985	473385600000	57.3	165.7
1986	504921600000	87.1	77.7
1987	536457600000	17.9	54.1
1988	567993600000	17.6	40.9
1989	599616000000	55.7	30.4
1990	631152000000	32.0	35.1
1991	662688000000	55.7	47.8
1992	694224000000	23.3	37.0
1993	725846400000	138.8	72.6
1994	757382400000	20.5	60.9
1995	788918400000	330.4	163.3
1996	820454400000	150.1	167.0
1997	852076800000	49.8	176.8
1998	883612800000	313.7	171.2
1999	915148800000	135.0	166.2
2000	946684800000	83.6	177.4
2001	978307200000	47.8	88.8
2002	1009843200000	60.7	64.0
2003	1041379200000	142.1	83.5
2004	1072915200000	38.2	80.3
2005	1104537600000	220.3	133.5
2006	1136073600000	440.4	233.0
2007	1167609600000	38.7	233.1
2008	1199145600000	39.1	172.8
2009	1230768000000	82.7	53.5
2010	1262304000000	166.3	96.0
2011	1293840000000	282.6	177.2
2012	1325376000000	99.7	182.9
2013	1356998400000	27.8	136.7
2014	1388534400000	22.1	49.9
2015	1420070400000	8.5	19.5
2016	1451606400000	63.2	31.3
2017	1483228800000	227.5	99.7
2018	1514764800000	119.1	136.6
2019	1546300800000	268.1	204.9
2020	1577836800000	95.9	161.0
2021	1609459200000	17.8	127.3
2022	1640995200000	63.5	59.1
2023	1672531200000	234.2	105.2
2024	1704067200000	135.6	144.4
2025	1735689600000	108.1	159.3
2026	1767225600000	93.0	112.3

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ017)

Today: Mostly cloudy in the morning then becoming partly cloudy. Areas of frost and patchy dense fog in the morning. Highs around 54. North winds up to 10 mph.

Tonight: Mostly cloudy. Patchy dense fog after midnight. Lows around 38. Light winds.

Sunday: Patchy fog in the morning. Mostly cloudy. Highs around 55. Light winds.

Sunday Night: Mostly clear. Patchy fog after midnight. Lows around 37. Light winds.

Monday: Partly cloudy in the morning then clearing. Patchy fog and frost in the morning. Highs around 53. Light winds.

Monday Night: Mostly clear. Patchy fog. Lows around 39.

Tuesday: Mostly sunny. Patchy fog. Highs 52 to 58.

Tuesday Night: Mostly clear. Patchy fog. Lows 37 to 43.

Wednesday: Partly cloudy. Patchy fog. Highs 54 to 60.

Wednesday Night: Mostly clear. Patchy fog. Lows 39 to 45.

Thursday: Partly cloudy. Patchy fog. Highs 56 to 62.

Thursday Night and Friday: Mostly clear. Lows 40 to 46. Highs around 60.

Flood Impacts
13.2 Feet	Water floods houses in Wilton. The south bank levee near Wilton is overtopped.
12.0 Feet	Water flows on to the road near Wilton.
8.0 Feet	Low lying lands along the river begin to flood.