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*** IMPORTANT ***  Week of June 16 - Website Data Outage [View details]

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SOUTH FORK TRINITY RIVER - HYAMPOM (HYMC1)
Latitude:
40.65º N		Longitude:
123.49º W		Elevation:
1211 Feet
Location: Trinity County in CA
River Group: North Coast
Issuance Time: Jun 16 2025 at 6:48 AM PDT
Please Note:Flow data on this product are unregulated / full natural flow.
Historical Flows
RankYearAnnual Flow3-Year Mean
1966-126230400000919.1
1967-946944000001027.4
1968-63158400000853.5 933.4
1969-315360000001557.4 1146.1
197000001372.9 1261.3
1971315360000001468.9 1466.4
197263072000000845.0 1228.9
1973946944000001002.5 1105.5
19741262304000002023.4 1290.3
19751577664000001201.7 1409.2
1976189302400000464.9 1230.0
197722092480000095.1 587.2
19782524608000001318.6 626.2
1979283996800000444.7 619.4
19803155328000001140.9 968.1
1981347155200000559.0 714.8
19823786912000001617.7 1105.9
19834102272000002207.7 1461.5
19844417632000001177.4 1667.6
1985473385600000644.3 1343.1
19865049216000001386.7 1069.5
1987536457600000602.5 877.8
1988567993600000528.0 839.1
1989599616000000703.5 611.4
1990631152000000419.6 550.4
1991662688000000308.2 477.1
1992694224000000309.7 345.8
19937258464000001208.5 608.8
1994757382400000325.0 614.4
19957889184000001805.6 1113.0
19968204544000001342.3 1157.7
19978520768000001305.0 1484.3
19988836128000001891.1 1512.8
19999151488000001209.4 1468.5
2000946684800000864.8 1321.8
2001978307200000266.6 780.3
20021009843200000851.0 660.8
200310413792000001267.1 794.9
200410729152000001025.3 1047.8
20051104537600000890.2 1060.9
200611360736000001800.7 1238.7
20071167609600000486.8 1059.2
20081199145600000598.6 962.0
20091230768000000419.1 501.5
20101262304000000823.4 613.7
201112938400000001198.6 813.7
20121325376000000615.7 879.3
20131356998400000529.5 781.3
20141388534400000197.4 447.5
20151420070400000430.5 385.8
201614516064000001097.7 575.2
201714832288000001950.5 1159.6
20181514764800000440.2 1162.8
201915463008000001136.7 1175.8
20201577836800000240.0 605.6
20211609459200000269.9 548.8
20221640995200000432.6 314.1
202316725312000001347.6 683.4
202417040672000001295.6 1025.3
20251735689600000 1577.2 1406.8

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ108)
Tonight: Partly cloudy. Lows 36 to 46.

Friday: Mostly sunny. Highs 53 to 68.

Friday Night: Partly cloudy. Slight chance of rain in the evening. Snow level 5000 to 5500 feet. Lows 33 to 43.

Saturday: Sunny. Highs 57 to 72.

Saturday Night and Sunday: Mostly clear. Lows 36 to 46. Highs 68 to 83.

Sunday Night: Clear. Lows 42 to 52.

Monday: Sunny. Highs 75 to 90.

Monday Night: Partly cloudy. Lows 48 to 58.

Tuesday: Sunny. Highs 80 to 95.

Tuesday Night and Wednesday: Clear. Lows 49 to 59. Highs 81 to 96.

Wednesday Night and Thursday: Mostly clear. Lows 49 to 59. Highs 81 to 96.