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TRINITY RIVER - ABOVE NORTH FORK TRINITY RIVER NEAR HELENA (TRNC1)
| Latitude: 40.77º N | Longitude: 123.11º W | Elevation: 1380 Feet | | Forecast Type: Unofficial Location |
| Location: Trinity County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Oct 07 2026 at 6:58 AM PDT | Next Issuance: | Oct 08 2026 at 9:00 AM PDT
| |
| Action: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Trinity River - Above NF Trinity R Nr Helena (TRNC1)
#
# File Generation Time: 10/07/2026 at 07:00 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 10/06/2026 at 03:00 PM PDT
# Maximum Observed Stage: 9.17 Feet
# Maximum Observed Flow: 514 cfs
#
# Earliest Date & Time of Maximum Forecast: 10/07/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 9.12 Feet
# Maximum Forecast Flow: 494 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
10/02/2026 07 AM PDT 9.10 486 Not Applicable
10/02/2026 08 AM PDT 9.11 490 + Not Applicable
10/02/2026 09 AM PDT 9.12 494 + Not Applicable
10/02/2026 10 AM PDT 9.12 494 0 Not Applicable
10/02/2026 11 AM PDT 9.13 498 + Not Applicable
10/02/2026 12 PM PDT 9.12 494 - Not Applicable
10/02/2026 01 PM PDT 9.13 498 + Not Applicable
10/02/2026 02 PM PDT 9.13 498 0 Not Applicable
10/02/2026 03 PM PDT 9.13 498 0 Not Applicable
10/02/2026 04 PM PDT 9.13 498 0 Not Applicable
10/02/2026 05 PM PDT 9.13 498 0 Not Applicable
10/02/2026 06 PM PDT 9.13 498 0 Not Applicable
10/02/2026 07 PM PDT 9.12 494 - Not Applicable
10/02/2026 08 PM PDT 9.12 494 0 Not Applicable
10/02/2026 09 PM PDT 9.12 494 0 Not Applicable
10/02/2026 10 PM PDT 9.12 494 0 Not Applicable
10/02/2026 11 PM PDT 9.11 490 - Not Applicable
10/03/2026 12 AM PDT 9.11 490 0 Not Applicable
10/03/2026 01 AM PDT 9.11 490 0 Not Applicable
10/03/2026 02 AM PDT 9.09 482 - Not Applicable
10/03/2026 03 AM PDT 9.09 482 0 Not Applicable
10/03/2026 04 AM PDT 9.09 482 0 Not Applicable
10/03/2026 05 AM PDT 9.08 478 - Not Applicable
10/03/2026 06 AM PDT 9.09 482 + Not Applicable
10/03/2026 07 AM PDT 9.09 482 0 Not Applicable
10/03/2026 08 AM PDT 9.09 482 0 Not Applicable
10/03/2026 09 AM PDT 9.10 486 + Not Applicable
10/03/2026 10 AM PDT 9.10 486 0 Not Applicable
10/03/2026 11 AM PDT 9.11 490 + Not Applicable
10/03/2026 12 PM PDT 9.13 498 + Not Applicable
10/03/2026 01 PM PDT 9.13 498 0 Not Applicable
10/03/2026 02 PM PDT 9.13 498 0 Not Applicable
10/03/2026 03 PM PDT 9.13 498 0 Not Applicable
10/03/2026 04 PM PDT 9.11 490 - Not Applicable
10/03/2026 05 PM PDT 9.12 494 + Not Applicable
10/03/2026 06 PM PDT 9.12 494 0 Not Applicable
10/03/2026 07 PM PDT 9.12 494 0 Not Applicable
10/03/2026 08 PM PDT 9.11 490 - Not Applicable
10/03/2026 09 PM PDT 9.12 494 + Not Applicable
10/03/2026 10 PM PDT 9.11 490 - Not Applicable
10/03/2026 11 PM PDT 9.11 490 0 Not Applicable
10/04/2026 12 AM PDT 9.10 486 - Not Applicable
10/04/2026 01 AM PDT 9.10 486 0 Not Applicable
10/04/2026 02 AM PDT 9.10 486 0 Not Applicable
10/04/2026 03 AM PDT 9.10 486 0 Not Applicable
10/04/2026 04 AM PDT 9.09 482 - Not Applicable
10/04/2026 05 AM PDT 9.09 482 0 Not Applicable
10/04/2026 06 AM PDT 9.09 482 0 Not Applicable
10/04/2026 07 AM PDT 9.09 482 0 Not Applicable
10/04/2026 08 AM PDT 9.10 486 + Not Applicable
10/04/2026 09 AM PDT 9.12 494 + Not Applicable
10/04/2026 10 AM PDT 9.11 490 - Not Applicable
10/04/2026 11 AM PDT 9.12 494 + Not Applicable
10/04/2026 12 PM PDT 9.12 494 0 Not Applicable
10/04/2026 01 PM PDT 9.13 498 + Not Applicable
10/04/2026 02 PM PDT 9.12 494 - Not Applicable
10/04/2026 03 PM PDT 9.13 498 + Not Applicable
10/04/2026 04 PM PDT 9.13 498 0 Not Applicable
10/04/2026 05 PM PDT 9.13 498 0 Not Applicable
10/04/2026 06 PM PDT 9.13 498 0 Not Applicable
10/04/2026 07 PM PDT 9.12 494 - Not Applicable
10/04/2026 08 PM PDT 9.12 494 0 Not Applicable
10/04/2026 09 PM PDT 9.13 498 + Not Applicable
10/04/2026 10 PM PDT 9.12 494 - Not Applicable
10/04/2026 11 PM PDT 9.12 494 0 Not Applicable
10/05/2026 12 AM PDT 9.12 494 0 Not Applicable
10/05/2026 01 AM PDT 9.11 490 - Not Applicable
10/05/2026 02 AM PDT 9.11 490 0 Not Applicable
10/05/2026 03 AM PDT 9.10 486 - Not Applicable
10/05/2026 04 AM PDT 9.10 486 0 Not Applicable
10/05/2026 05 AM PDT 9.11 490 + Not Applicable
10/05/2026 06 AM PDT 9.10 486 - Not Applicable
10/05/2026 07 AM PDT 9.11 490 + Not Applicable
10/05/2026 08 AM PDT 9.12 494 + Not Applicable
10/05/2026 09 AM PDT 9.12 494 0 Not Applicable
10/05/2026 10 AM PDT 9.12 494 0 Not Applicable
10/05/2026 11 AM PDT 9.13 498 + Not Applicable
10/05/2026 12 PM PDT 9.13 498 0 Not Applicable
10/05/2026 01 PM PDT 9.13 498 0 Not Applicable
10/05/2026 02 PM PDT 9.14 502 + Not Applicable
10/05/2026 03 PM PDT 9.13 498 - Not Applicable
10/05/2026 04 PM PDT 9.13 498 0 Not Applicable
10/05/2026 05 PM PDT 9.14 502 + Not Applicable
10/05/2026 06 PM PDT 9.12 494 - Not Applicable
10/05/2026 07 PM PDT 9.12 494 0 Not Applicable
10/05/2026 08 PM PDT 9.13 498 + Not Applicable
10/05/2026 09 PM PDT 9.12 494 - Not Applicable
10/05/2026 10 PM PDT 9.10 486 - Not Applicable
10/05/2026 11 PM PDT 9.07 474 - Not Applicable
10/06/2026 12 AM PDT 9.07 474 0 Not Applicable
10/06/2026 01 AM PDT 9.06 470 - Not Applicable
10/06/2026 02 AM PDT 9.06 470 0 Not Applicable
10/06/2026 03 AM PDT 9.07 474 + Not Applicable
10/06/2026 04 AM PDT 9.07 474 0 Not Applicable
10/06/2026 05 AM PDT 9.09 482 + Not Applicable
10/06/2026 06 AM PDT 9.11 490 + Not Applicable
10/06/2026 07 AM PDT 9.12 494 + Not Applicable
10/06/2026 08 AM PDT 9.12 494 0 Not Applicable
10/06/2026 09 AM PDT 9.12 494 0 Not Applicable
10/06/2026 10 AM PDT 9.14 502 + Not Applicable
10/06/2026 11 AM PDT 9.15 506 + Not Applicable
10/06/2026 12 PM PDT 9.15 506 0 Not Applicable
10/06/2026 01 PM PDT 9.15 506 0 Not Applicable
10/06/2026 02 PM PDT 9.16 510 + Not Applicable
10/06/2026 03 PM PDT 9.17 514 + Not Applicable
10/06/2026 04 PM PDT 9.16 510 - Not Applicable
10/06/2026 05 PM PDT 9.16 510 0 Not Applicable
10/06/2026 06 PM PDT 9.14 502 - Not Applicable
10/06/2026 07 PM PDT 9.15 506 + Not Applicable
10/06/2026 08 PM PDT 9.14 502 - Not Applicable
10/06/2026 09 PM PDT 9.14 502 0 Not Applicable
10/06/2026 10 PM PDT 9.14 502 0 Not Applicable
10/06/2026 11 PM PDT 9.15 506 + Not Applicable
10/07/2026 12 AM PDT 9.14 502 - Not Applicable
10/07/2026 01 AM PDT 9.13 498 - Not Applicable
10/07/2026 02 AM PDT 9.12 494 - Not Applicable
10/07/2026 03 AM PDT 9.12 494 0 Not Applicable
10/07/2026 04 AM PDT 9.11 490 - Not Applicable
10/07/2026 05 AM PDT 9.10 486 - Not Applicable
10/07/2026 06 AM PDT 9.10 486 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
10/07/2026 07 AM PDT 9.10 486 Not Applicable
10/07/2026 08 AM PDT 9.10 486 0 Not Applicable
10/07/2026 09 AM PDT 9.11 490 + Not Applicable
10/07/2026 10 AM PDT 9.11 490 0 Not Applicable
10/07/2026 11 AM PDT 9.11 490 0 Not Applicable
10/07/2026 12 PM PDT 9.11 490 0 Not Applicable
10/07/2026 01 PM PDT 9.11 490 0 Not Applicable
10/07/2026 02 PM PDT 9.12 494 + Not Applicable
10/07/2026 03 PM PDT 9.12 494 0 Not Applicable
10/07/2026 04 PM PDT 9.12 494 0 Not Applicable
10/07/2026 05 PM PDT 9.12 494 0 Not Applicable
10/07/2026 06 PM PDT 9.12 494 0 Not Applicable
10/07/2026 07 PM PDT 9.12 494 0 Not Applicable
10/07/2026 08 PM PDT 9.12 494 0 Not Applicable
10/07/2026 09 PM PDT 9.12 494 0 Not Applicable
10/07/2026 10 PM PDT 9.12 494 0 Not Applicable
10/07/2026 11 PM PDT 9.12 494 0 Not Applicable
10/08/2026 12 AM PDT 9.12 494 0 Not Applicable
10/08/2026 01 AM PDT 9.12 494 0 Not Applicable
10/08/2026 02 AM PDT 9.12 494 0 Not Applicable
10/08/2026 03 AM PDT 9.12 494 0 Not Applicable
10/08/2026 04 AM PDT 9.12 494 0 Not Applicable
10/08/2026 05 AM PDT 9.12 494 0 Not Applicable
10/08/2026 06 AM PDT 9.12 494 0 Not Applicable
10/08/2026 07 AM PDT 9.12 494 0 Not Applicable
10/08/2026 08 AM PDT 9.12 494 0 Not Applicable
10/08/2026 09 AM PDT 9.12 494 0 Not Applicable
10/08/2026 10 AM PDT 9.12 494 0 Not Applicable
10/08/2026 11 AM PDT 9.12 494 0 Not Applicable
10/08/2026 12 PM PDT 9.12 494 0 Not Applicable
10/08/2026 01 PM PDT 9.12 494 0 Not Applicable
10/08/2026 02 PM PDT 9.12 494 0 Not Applicable
10/08/2026 03 PM PDT 9.12 494 0 Not Applicable
10/08/2026 04 PM PDT 9.12 494 0 Not Applicable
10/08/2026 05 PM PDT 9.12 494 0 Not Applicable
10/08/2026 06 PM PDT 9.12 494 0 Not Applicable
10/08/2026 07 PM PDT 9.12 494 0 Not Applicable
10/08/2026 08 PM PDT 9.12 494 0 Not Applicable
10/08/2026 09 PM PDT 9.12 494 0 Not Applicable
10/08/2026 10 PM PDT 9.12 494 0 Not Applicable
10/08/2026 11 PM PDT 9.12 494 0 Not Applicable
10/09/2026 12 AM PDT 9.12 494 0 Not Applicable
10/09/2026 01 AM PDT 9.12 494 0 Not Applicable
10/09/2026 02 AM PDT 9.12 494 0 Not Applicable
10/09/2026 03 AM PDT 9.12 494 0 Not Applicable
10/09/2026 04 AM PDT 9.12 494 0 Not Applicable
10/09/2026 05 AM PDT 9.12 494 0 Not Applicable
10/09/2026 06 AM PDT 9.12 494 0 Not Applicable
10/09/2026 07 AM PDT 9.12 494 0 Not Applicable
10/09/2026 08 AM PDT 9.12 494 0 Not Applicable
10/09/2026 09 AM PDT 9.12 494 0 Not Applicable
10/09/2026 10 AM PDT 9.12 494 0 Not Applicable
10/09/2026 11 AM PDT 9.12 494 0 Not Applicable
10/09/2026 12 PM PDT 9.12 494 0 Not Applicable
10/09/2026 01 PM PDT 9.12 494 0 Not Applicable
10/09/2026 02 PM PDT 9.12 494 0 Not Applicable
10/09/2026 03 PM PDT 9.12 494 0 Not Applicable
10/09/2026 04 PM PDT 9.12 494 0 Not Applicable
10/09/2026 05 PM PDT 9.12 494 0 Not Applicable
10/09/2026 06 PM PDT 9.12 494 0 Not Applicable
10/09/2026 07 PM PDT 9.12 494 0 Not Applicable
10/09/2026 08 PM PDT 9.12 494 0 Not Applicable
10/09/2026 09 PM PDT 9.12 494 0 Not Applicable
10/09/2026 10 PM PDT 9.12 494 0 Not Applicable
10/09/2026 11 PM PDT 9.12 494 0 Not Applicable
10/10/2026 12 AM PDT 9.12 494 0 Not Applicable
10/10/2026 01 AM PDT 9.12 494 0 Not Applicable
10/10/2026 02 AM PDT 9.12 494 0 Not Applicable
10/10/2026 03 AM PDT 9.12 494 0 Not Applicable
10/10/2026 04 AM PDT 9.12 494 0 Not Applicable
10/10/2026 05 AM PDT 9.12 494 0 Not Applicable
10/10/2026 06 AM PDT 9.12 494 0 Not Applicable
10/10/2026 07 AM PDT 9.12 494 0 Not Applicable
10/10/2026 08 AM PDT 9.12 494 0 Not Applicable
10/10/2026 09 AM PDT 9.12 494 0 Not Applicable
10/10/2026 10 AM PDT 9.12 494 0 Not Applicable
10/10/2026 11 AM PDT 9.12 494 0 Not Applicable
10/10/2026 12 PM PDT 9.12 494 0 Not Applicable
10/10/2026 01 PM PDT 9.12 494 0 Not Applicable
10/10/2026 02 PM PDT 9.12 494 0 Not Applicable
10/10/2026 03 PM PDT 9.12 494 0 Not Applicable
10/10/2026 04 PM PDT 9.12 494 0 Not Applicable
10/10/2026 05 PM PDT 9.12 494 0 Not Applicable
10/10/2026 06 PM PDT 9.12 494 0 Not Applicable
10/10/2026 07 PM PDT 9.12 494 0 Not Applicable
10/10/2026 08 PM PDT 9.12 494 0 Not Applicable
10/10/2026 09 PM PDT 9.12 494 0 Not Applicable
10/10/2026 10 PM PDT 9.12 494 0 Not Applicable
10/10/2026 11 PM PDT 9.12 494 0 Not Applicable
10/11/2026 12 AM PDT 9.12 494 0 Not Applicable
10/11/2026 01 AM PDT 9.12 494 0 Not Applicable
10/11/2026 02 AM PDT 9.12 494 0 Not Applicable
10/11/2026 03 AM PDT 9.12 494 0 Not Applicable
10/11/2026 04 AM PDT 9.12 494 0 Not Applicable
10/11/2026 05 AM PDT 9.12 494 0 Not Applicable
10/11/2026 06 AM PDT 9.12 494 0 Not Applicable
10/11/2026 07 AM PDT 9.12 494 0 Not Applicable
10/11/2026 08 AM PDT 9.12 494 0 Not Applicable
10/11/2026 09 AM PDT 9.12 494 0 Not Applicable
10/11/2026 10 AM PDT 9.12 494 0 Not Applicable
10/11/2026 11 AM PDT 9.12 494 0 Not Applicable
10/11/2026 12 PM PDT 9.12 494 0 Not Applicable
10/11/2026 01 PM PDT 9.12 494 0 Not Applicable
10/11/2026 02 PM PDT 9.12 494 0 Not Applicable
10/11/2026 03 PM PDT 9.12 494 0 Not Applicable
10/11/2026 04 PM PDT 9.12 494 0 Not Applicable
10/11/2026 05 PM PDT 9.12 494 0 Not Applicable
10/11/2026 06 PM PDT 9.12 494 0 Not Applicable
10/11/2026 07 PM PDT 9.12 494 0 Not Applicable
10/11/2026 08 PM PDT 9.12 494 0 Not Applicable
10/11/2026 09 PM PDT 9.12 494 0 Not Applicable
10/11/2026 10 PM PDT 9.12 494 0 Not Applicable
10/11/2026 11 PM PDT 9.12 494 0 Not Applicable
10/12/2026 12 AM PDT 9.12 494 0 Not Applicable
10/12/2026 01 AM PDT 9.12 494 0 Not Applicable
10/12/2026 02 AM PDT 9.12 494 0 Not Applicable
10/12/2026 03 AM PDT 9.12 494 0 Not Applicable
10/12/2026 04 AM PDT 9.12 494 0 Not Applicable
10/12/2026 05 AM PDT 9.12 494 0 Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.
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