CNRFC Ensemble Plot for NDPC1

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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TUOLUMNE RIVER - NEW DON PEDRO RESERVOIR (NDPC1)

Latitude:
37.70º N

Longitude:
120.42º W

Elevation:
272 Feet

Location: Tuolumne County in CA

River Group: San Joaquin

Issuance Time:

May 08 2025 at 8:40 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	723.9
1962	-252460800000	1752.3
1963	-220924800000	2022.7	1499.7
1964	-189388800000	1118.1	1631.1
1965	-157766400000	2719.0	1953.3
1966	-126230400000	1295.0	1710.7
1967	-94694400000	3086.6	2366.9
1968	-63158400000	992.5	1791.4
1969	-31536000000	3822.7	2633.9
1970	0000	1948.7	2254.6
1971	31536000000	1655.1	2475.5
1972	63072000000	1184.3	1596.0
1973	94694400000	2011.1	1616.8
1974	126230400000	2209.8	1801.7
1975	157766400000	2072.9	2097.9
1976	189302400000	648.3	1643.7
1977	220924800000	386.0	1035.7
1978	252460800000	2844.9	1293.1
1979	283996800000	1880.1	1703.7
1980	315532800000	2923.3	2549.4
1981	347155200000	946.5	1916.6
1982	378691200000	3620.1	2496.6
1983	410227200000	4632.2	3066.3
1984	441763200000	2556.3	3602.9
1985	473385600000	1233.2	2807.2
1986	504921600000	2995.4	2261.7
1987	536457600000	656.1	1628.3
1988	567993600000	820.4	1490.6
1989	599616000000	1312.0	929.5
1990	631152000000	845.0	992.5
1991	662688000000	1104.0	1087.0
1992	694224000000	832.2	927.1
1993	725846400000	2555.7	1497.3
1994	757382400000	832.3	1406.7
1995	788918400000	3877.9	2422.0
1996	820454400000	2307.9	2339.4
1997	852076800000	3168.4	3118.1
1998	883612800000	3308.0	2928.1
1999	915148800000	2093.9	2856.8
2000	946684800000	1948.9	2450.3
2001	978307200000	1096.1	1713.0
2002	1009843200000	1429.6	1491.5
2003	1041379200000	1632.3	1386.0
2004	1072915200000	1304.2	1455.4
2005	1104537600000	2973.0	1969.8
2006	1136073600000	3303.9	2527.0
2007	1167609600000	850.2	2375.7
2008	1199145600000	1125.2	1759.8
2009	1230768000000	1660.3	1211.9
2010	1262304000000	1886.5	1557.3
2011	1293840000000	3527.7	2358.2
2012	1325376000000	875.5	2096.6
2013	1356998400000	1084.0	1829.0
2014	1388534400000	600.5	853.3
2015	1420070400000	600.2	761.5
2016	1451606400000	1817.1	1005.9
2017	1483228800000	4862.2	2426.5
2018	1514764800000	1673.4	2784.2
2019	1546300800000	2983.1	3172.9
2020	1577836800000	974.1	1876.9
2021	1609459200000	626.1	1527.8
2022	1640995200000	1078.5	892.9
2023	1672531200000	4161.9	1955.5
2024	1704067200000	1725.7	2322.0
2025	1735689600000	1435.7	2441.1

Year		Seasonal Flow	3-Year Mean
1961	-283996800000	518.0
1962	-252460800000	1302.6
1963	-220924800000	1412.3	1077.6
1964	-189388800000	746.9	1153.9
1965	-157766400000	1466.6	1208.6
1966	-126230400000	750.9	988.2
1967	-94694400000	2145.9	1454.5
1968	-63158400000	623.0	1173.3
1969	-31536000000	2465.8	1744.9
1970	0000	992.3	1360.3
1971	31536000000	1057.4	1505.2
1972	63072000000	733.3	927.7
1973	94694400000	1350.4	1047.0
1974	126230400000	1369.2	1151.0
1975	157766400000	1553.1	1424.2
1976	189302400000	341.6	1088.0
1977	220924800000	288.9	727.9
1978	252460800000	1903.5	844.7
1979	283996800000	1237.1	1143.2
1980	315532800000	1629.0	1589.8
1981	347155200000	678.7	1181.6
1982	378691200000	2150.1	1485.9
1983	410227200000	2650.5	1826.5
1984	441763200000	1224.6	2008.4
1985	473385600000	801.8	1559.0
1986	504921600000	1510.1	1178.8
1987	536457600000	474.8	928.9
1988	567993600000	492.8	825.9
1989	599616000000	859.3	609.0
1990	631152000000	522.1	624.7
1991	662688000000	880.8	754.1
1992	694224000000	522.3	641.8
1993	725846400000	1667.0	1023.4
1994	757382400000	598.8	929.4
1995	788918400000	2500.1	1588.6
1996	820454400000	1424.4	1507.8
1997	852076800000	1224.5	1716.3
1998	883612800000	2210.9	1619.9
1999	915148800000	1347.1	1594.2
2000	946684800000	1216.8	1591.6
2001	978307200000	738.3	1100.7
2002	1009843200000	939.6	964.9
2003	1041379200000	1169.4	949.1
2004	1072915200000	756.5	955.2
2005	1104537600000	1983.4	1303.1
2006	1136073600000	2300.1	1680.0
2007	1167609600000	506.8	1596.8
2008	1199145600000	783.3	1196.7
2009	1230768000000	1100.1	796.8
2010	1262304000000	1408.0	1097.2
2011	1293840000000	2172.5	1560.2
2012	1325376000000	609.4	1396.6
2013	1356998400000	594.1	1125.3
2014	1388534400000	423.4	542.3
2015	1420070400000	307.0	441.5
2016	1451606400000	1020.1	583.5
2017	1483228800000	2454.1	1260.4
2018	1514764800000	1012.2	1495.5
2019	1546300800000	1990.2	1818.8
2020	1577836800000	686.3	1229.6
2021	1609459200000	452.8	1043.1
2022	1640995200000	539.2	559.4
2023	1672531200000	2559.6	1183.9
2024	1704067200000	1146.4	1415.0
2025	1735689600000	915.7	1540.5

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ019)

Today: Mostly sunny. Highs 82 to 90. Northwest winds up to 10 mph.

Tonight: Clear. Lows 54 to 62. Northwest winds up to 10 mph.

Friday: Sunny. Highs 87 to 95. Northwest winds up to 10 mph.

Friday Night: Clear. Lows 56 to 64. Northwest winds up to 10 mph.

Saturday: Sunny. Highs 87 to 95. Northwest winds up to 10 mph. Gusts up to 20 mph in the afternoon.

Saturday Night: Clear. Lows 55 to 61.

Sunday: Mostly sunny. Highs 74 to 84.

Sunday Night: Clear, cooler. Lows 46 to 52.

Monday and Monday Night: Mostly clear. A slight chance of rain showers. Cooler. Highs 63 to 72. Lows 45 to 52.

Tuesday and Tuesday Night: Mostly clear. Highs 67 to 75. Lows 45 to 52.

Wednesday: Mostly sunny. Highs 72 to 81.