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CALAVERAS RIVER - NEW HOGAN RESERVOIR (NHGC1)
Latitude:
38.16º N		Longitude:
120.81º W		Elevation:
554 Feet
Location: Calaveras County in CA
River Group: San Joaquin
Issuance Time: Jan 10 2026 at 11:21 AM PST
Please Note:Flow data on this product are unregulated / full natural flow.
Historical Flows
RankYearAnnual Flow3-Year Mean
1964-18938880000056.6
1965-157766400000275.9
1966-12623040000070.9 134.5
1967-94694400000297.9 214.9
1968-6315840000061.3 143.4
1969-31536000000381.8 247.0
19700000201.3 214.8
197131536000000132.0 238.4
19726307200000068.6 134.0
197394694400000251.9 150.8
1974126230400000218.9 179.8
1975157766400000155.9 208.9
197618930240000018.2 131.0
19772209248000007.5 60.5
1978252460800000233.0 86.2
1979283996800000183.8 141.4
1980315532800000232.9 216.6
198134715520000063.7 160.1
1982378691200000435.3 243.9
1983410227200000564.5 354.5
1984441763200000226.1 408.6
198547338560000077.9 289.5
1986504921600000310.8 204.9
198753645760000032.4 140.3
198856799360000015.5 119.5
198959961600000032.5 26.8
199063115200000033.7 27.3
199166268800000047.0 37.8
199269422400000062.3 47.7
1993725846400000210.8 106.7
199475738240000033.6 102.2
1995788918400000354.2 199.5
1996820454400000208.1 198.6
1997852076800000351.1 304.4
1998883612800000424.7 328.0
1999915148800000192.1 322.7
2000946684800000196.1 271.0
200197830720000061.4 149.9
2002100984320000085.4 114.3
2003104137920000064.7 70.5
2004107291520000065.9 72.0
20051104537600000244.4 125.0
20061136073600000386.8 232.3
2007116760960000054.4 228.5
2008119914560000057.9 166.4
2009123076800000057.4 56.6
20101262304000000116.1 77.1
20111293840000000322.7 165.4
2012132537600000058.3 165.7
2013135699840000050.2 143.7
2014138853440000016.7 41.7
2015142007040000033.0 33.3
20161451606400000134.1 61.3
20171483228800000544.6 237.2
20181514764800000105.7 261.5
20191546300800000310.0 320.1
2020157783680000075.5 163.7
2021160945920000024.2 136.6
2022164099520000064.0 54.5
20231672531200000505.1 197.7
20241704067200000109.5 226.2
2025173568960000087.0 233.9
20261767225600000 187.3 127.9

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ067)
Tonight: Mostly cloudy. Lows 36 to 42. Light winds.

Sunday: Partly cloudy in the morning then clearing. Highs 53 to 61. Light winds.

Sunday Night: Mostly clear. Lows 36 to 44. Light winds.

Monday: Sunny. Highs 53 to 63. Light winds.

Monday Night: Clear. Lows 38 to 46. Light winds.

Tuesday: Sunny. Highs 56 to 68.

Tuesday Night: Mostly clear. Lows 40 to 48.

Wednesday through Saturday: Clear. Highs 57 to 71. Lows 40 to 50.